Vulnerabilities > CVE-2013-7459 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
dlitz
fedoraproject
CWE-119
critical
nessus
NVD
Published: 2017-02-15
Updated: 2023-11-07

Summary

Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.

Vulnerable Configurations

Part Description Count
Application
Dlitz
24
OS
Fedoraproject
2

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • Client-side Injection-induced Buffer Overflow
    This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
  • Filter Failure through Buffer Overflow
    In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
  • MIME Conversion
    An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.

Nessus

  • NASL familySuSE Local Security Checks
    NASL idSUSE_SU-2017-2350-1.NASL
    descriptionThis update for python-pycrypto fixes the following issues : - CVE-2013-7459: Fixed a potential heap buffer overflow in ALGnew (bsc#1017420). python-paramiko was adjusted to work together with this python-pycrypto change. (bsc#1047666) Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-03-24
    modified2019-01-02
    plugin id120005
    published2019-01-02
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/120005
    titleSUSE SLES12 Security Update : python-pycrypto (SUSE-SU-2017:2350-1)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2017:2350-1.
# The text itself is copyright (C) SUSE.
#

include("compat.inc");

if (description)
{
  script_id(120005);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/23");

  script_cve_id("CVE-2013-7459");

  script_name(english:"SUSE SLES12 Security Update : python-pycrypto (SUSE-SU-2017:2350-1)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote SUSE host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for python-pycrypto fixes the following issues :

  - CVE-2013-7459: Fixed a potential heap buffer overflow in
    ALGnew (bsc#1017420). python-paramiko was adjusted to
    work together with this python-pycrypto change.
    (bsc#1047666)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1017420"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1047666"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2013-7459/"
  );
  # https://www.suse.com/support/update/announcement/2017/suse-su-20172350-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?5737ad80"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud 7:zypper in -t patch
SUSE-OpenStack-Cloud-7-2017-1457=1

SUSE OpenStack Cloud 6:zypper in -t patch
SUSE-OpenStack-Cloud-6-2017-1457=1

SUSE Manager Tools 12:zypper in -t patch
SUSE-SLE-Manager-Tools-12-2017-1457=1

SUSE Manager Server 3.1:zypper in -t patch
SUSE-SUSE-Manager-Server-3.1-2017-1457=1

SUSE Manager Server 3.0:zypper in -t patch
SUSE-SUSE-Manager-Server-3.0-2017-1457=1

SUSE Manager Proxy 3.1:zypper in -t patch
SUSE-SUSE-Manager-Proxy-3.1-2017-1457=1

SUSE Manager Proxy 3.0:zypper in -t patch
SUSE-SUSE-Manager-Proxy-3.0-2017-1457=1

SUSE Linux Enterprise Point of Sale 12-SP2:zypper in -t patch
SUSE-SLE-POS-12-SP2-2017-1457=1

SUSE Linux Enterprise Module for Web Scripting 12:zypper in -t patch
SUSE-SLE-Module-Web-Scripting-12-2017-1457=1

SUSE Linux Enterprise Module for Public Cloud 12:zypper in -t patch
SUSE-SLE-Module-Public-Cloud-12-2017-1457=1

SUSE Linux Enterprise Module for Advanced Systems Management 12:zypper
in -t patch SUSE-SLE-Module-Adv-Systems-Management-12-2017-1457=1

SUSE Enterprise Storage 4:zypper in -t patch
SUSE-Storage-4-2017-1457=1

SUSE Enterprise Storage 3:zypper in -t patch
SUSE-Storage-3-2017-1457=1

SUSE Container as a Service Platform ALL:zypper in -t patch
SUSE-CAASP-ALL-2017-1457=1

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch
SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2017-1457=1

To bring your system up-to-date, use 'zypper patch'."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python-pycrypto");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python-pycrypto-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/02/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/09/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/02");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP0", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"0", reference:"python-pycrypto-2.6.1-10.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"python-pycrypto-debuginfo-2.6.1-10.3.1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python-pycrypto");
}
  • NASL familyAmazon Linux Local Security Checks
    NASL idALA_ALAS-2017-801.NASL
    descriptionA heap-buffer overflow vulnerability was discovered in cryptopp. This vulnerability can be used to remotely gain access to shell.
    last seen2020-06-01
    modified2020-06-02
    plugin id97553
    published2017-03-07
    reporterThis script is Copyright (C) 2017-2018 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/97553
    titleAmazon Linux AMI : python-crypto (ALAS-2017-801)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux AMI Security Advisory ALAS-2017-801.
#

include("compat.inc");

if (description)
{
  script_id(97553);
  script_version("3.2");
  script_cvs_date("Date: 2018/04/18 15:09:36");

  script_cve_id("CVE-2013-7459");
  script_xref(name:"ALAS", value:"2017-801");

  script_name(english:"Amazon Linux AMI : python-crypto (ALAS-2017-801)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Amazon Linux AMI host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A heap-buffer overflow vulnerability was discovered in cryptopp. This
vulnerability can be used to remotely gain access to shell."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://alas.aws.amazon.com/ALAS-2017-801.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Run 'yum update python26-crypto' and/or 'yum update python27-crypto'
to update your system."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python-crypto-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python26-crypto");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python27-crypto");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/03/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/03/07");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2018 Tenable Network Security, Inc.");
  script_family(english:"Amazon Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

release = get_kb_item("Host/AmazonLinux/release");
if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux");
os_ver = pregmatch(pattern: "^AL(A|\d)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "A")
{
  if (os_ver == 'A') os_ver = 'AMI';
  audit(AUDIT_OS_NOT, "Amazon Linux AMI", "Amazon Linux " + os_ver);
}

if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (rpm_check(release:"ALA", reference:"python-crypto-debuginfo-2.6.1-1.14.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"python26-crypto-2.6.1-1.14.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"python27-crypto-2.6.1-1.14.amzn1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python-crypto-debuginfo / python26-crypto / python27-crypto");
}
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2017-08207FE48B.NASL
    descriptionA heap-buffer overflow vulnerability was discovered in pycrypto leading to arbitrary code execution. All users of pycrypto
    last seen2020-06-05
    modified2017-01-31
    plugin id96886
    published2017-01-31
    reporterThis script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/96886
    titleFedora 24 : python-crypto (2017-08207fe48b)
    code
    #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2017-08207fe48b.
#

include("compat.inc");

if (description)
{
  script_id(96886);
  script_version("3.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");

  script_cve_id("CVE-2013-7459");
  script_xref(name:"FEDORA", value:"2017-08207fe48b");

  script_name(english:"Fedora 24 : python-crypto (2017-08207fe48b)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A heap-buffer overflow vulnerability was discovered in pycrypto
leading to arbitrary code execution. All users of pycrypto's AES
module that allow the mode of operation to be specified by an
attacker, check for ECB explicitly and create the objects without
specifying an IV are vulnerable to this issue.

This is CVE-2013-7459.

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bodhi.fedoraproject.org/updates/FEDORA-2017-08207fe48b"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected python-crypto package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:python-crypto");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:24");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/02/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/01/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/01/31");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^24([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 24", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);


flag = 0;
if (rpm_check(release:"FC24", reference:"python-crypto-2.6.1-13.fc24")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python-crypto");
}
  • NASL familySuSE Local Security Checks
    NASL idSUSE_SU-2017-1744-1.NASL
    descriptionThis update for python-pycrypto fixes the following issues : - CVE-2013-7459: Fixed a potential heap buffer overflow in ALGnew (bsc#1017420). Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id101259
    published2017-07-06
    reporterThis script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/101259
    titleSUSE SLES11 Security Update : python-pycrypto (SUSE-SU-2017:1744-1)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2017:1744-1.
# The text itself is copyright (C) SUSE.
#

include("compat.inc");

if (description)
{
  script_id(101259);
  script_version("3.6");
  script_cvs_date("Date: 2019/09/11 11:22:15");

  script_cve_id("CVE-2013-7459");

  script_name(english:"SUSE SLES11 Security Update : python-pycrypto (SUSE-SU-2017:1744-1)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote SUSE host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for python-pycrypto fixes the following issues :

  - CVE-2013-7459: Fixed a potential heap buffer overflow in
    ALGnew (bsc#1017420).

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1017420"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2013-7459/"
  );
  # https://www.suse.com/support/update/announcement/2017/suse-su-20171744-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?0bb4f1f5"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 11-SP4-CLIENT-TOOLS:zypper in -t patch
slesctsp4-python-pycrypto-13187=1

SUSE Linux Enterprise Server 11-SP3-CLIENT-TOOLS:zypper in -t patch
slesctsp3-python-pycrypto-13187=1

To bring your system up-to-date, use 'zypper patch'."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python-pycrypto");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/02/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/06/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/07/06");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES11", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES11" && (! preg(pattern:"^(3|4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3/4", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES11", sp:"4", reference:"python-pycrypto-2.6.1-5.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"python-pycrypto-2.6.1-5.1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python-pycrypto");
}
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2017-7C569D396B.NASL
    descriptionA heap-buffer overflow vulnerability was discovered in pycrypto leading to arbitrary code execution. All users of pycrypto
    last seen2020-06-05
    modified2017-01-31
    plugin id96892
    published2017-01-31
    reporterThis script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/96892
    titleFedora 25 : python-crypto (2017-7c569d396b)
    code
    #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2017-7c569d396b.
#

include("compat.inc");

if (description)
{
  script_id(96892);
  script_version("3.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");

  script_cve_id("CVE-2013-7459");
  script_xref(name:"FEDORA", value:"2017-7c569d396b");

  script_name(english:"Fedora 25 : python-crypto (2017-7c569d396b)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A heap-buffer overflow vulnerability was discovered in pycrypto
leading to arbitrary code execution. All users of pycrypto's AES
module that allow the mode of operation to be specified by an
attacker, check for ECB explicitly and create the objects without
specifying an IV are vulnerable to this issue.

This is CVE-2013-7459.

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bodhi.fedoraproject.org/updates/FEDORA-2017-7c569d396b"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected python-crypto package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:python-crypto");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:25");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/02/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/01/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/01/31");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^25([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 25", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);


flag = 0;
if (rpm_check(release:"FC25", reference:"python-crypto-2.6.1-13.fc25")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python-crypto");
}
  • NASL familyPhotonOS Local Security Checks
    NASL idPHOTONOS_PHSA-2017-0026_PYCRYPTO.NASL
    descriptionAn update of the pycrypto package has been released.
    last seen2020-03-17
    modified2019-02-07
    plugin id121720
    published2019-02-07
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/121720
    titlePhoton OS 1.0: Pycrypto PHSA-2017-0026
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3199-3.NASL
    descriptionUSN-3199-1 fixed a vulnerability in Python Crypto. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that the ALGnew function in block_templace.c in the Python Cryptography Toolkit contained a heap-based buffer overflow vulnerability. A remote attacker could use this flaw to execute arbitrary code by using a crafted initialization vector parameter. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id102814
    published2017-08-29
    reporterUbuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/102814
    titleUbuntu 12.04 LTS : python-crypto vulnerability (USN-3199-3)
  • NASL familyHuawei Local Security Checks
    NASL idEULEROS_SA-2019-2511.NASL
    descriptionAccording to the version of the python-crypto package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.(CVE-2013-7459) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-05-08
    modified2019-12-04
    plugin id131664
    published2019-12-04
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/131664
    titleEulerOS 2.0 SP2 : python-crypto (EulerOS-SA-2019-2511)
  • NASL familyPhotonOS Local Security Checks
    NASL idPHOTONOS_PHSA-2017-0026_OPENJDK.NASL
    descriptionAn update of the openjdk package has been released.
    last seen2020-03-17
    modified2019-02-07
    plugin id121718
    published2019-02-07
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/121718
    titlePhoton OS 1.0: Openjdk PHSA-2017-0026
  • NASL familyPhotonOS Local Security Checks
    NASL idPHOTONOS_PHSA-2017-0026_OPENJRE.NASL
    descriptionAn update of the openjre package has been released.
    last seen2020-03-17
    modified2019-02-07
    plugin id121719
    published2019-02-07
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/121719
    titlePhoton OS 1.0: Openjre PHSA-2017-0026
  • NASL familyPhotonOS Local Security Checks
    NASL idPHOTONOS_PHSA-2017-0026.NASL
    descriptionAn update of [openjdk,openjre,pycrypto,python3-pycrypto] packages for PhotonOS has been released.
    last seen2019-02-21
    modified2019-02-07
    plugin id111875
    published2018-08-17
    reporterTenable
    sourcehttps://www.tenable.com/plugins/index.php?view=single&id=111875
    titlePhoton OS 1.0: Openjdk / Openjre / Pycrypto / Python3 PHSA-2017-0026 (deprecated)
  • NASL familyGentoo Local Security Checks
    NASL idGENTOO_GLSA-201702-14.NASL
    descriptionThe remote host is affected by the vulnerability described in GLSA-201702-14 (PyCrypto: Remote execution of arbitrary code) A heap-based buffer overflow vulnerability has been discovered in PyCrypto. Please review the CVE identifier referenced below for details. Impact : A remote attacker, able to control the mode of operation in PyCrypto&rsquo;s AES module, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition. Workaround : There is no known workaround at this time.
    last seen2020-06-01
    modified2020-06-02
    plugin id97257
    published2017-02-21
    reporterThis script is Copyright (C) 2017 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/97257
    titleGLSA-201702-14 : PyCrypto: Remote execution of arbitrary code
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3199-2.NASL
    descriptionUSN-3199-1 fixed a vulnerability in the Python Cryptography Toolkit. Unfortunately, various programs depended on the original behavior of the Python Cryptography Toolkit which was altered when fixing the vulnerability. This update retains the fix for the vulnerability but issues a warning rather than throwing an exception. Code which produces this warning should be updated because future versions of the Python Cryptography Toolkit re-introduce the exception. We apologize for the inconvenience. It was discovered that the ALGnew function in block_template.c in the Python Cryptography Toolkit contained a heap-based buffer overflow vulnerability. A remote attacker could use this flaw to execute arbitrary code by using a crafted initialization vector parameter. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id97301
    published2017-02-21
    reporterUbuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/97301
    titleUbuntu 14.04 LTS / 16.04 LTS / 16.10 : Python Crypto regression (USN-3199-2)
  • NASL familyHuawei Local Security Checks
    NASL idEULEROS_SA-2018-1168.NASL
    descriptionAccording to the version of the python-crypto package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.(CVE-2013-7459) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-05-06
    modified2018-06-28
    plugin id110744
    published2018-06-28
    reporterThis script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/110744
    titleEulerOS 2.0 SP3 : python-crypto (EulerOS-SA-2018-1168)
  • NASL familySuSE Local Security Checks
    NASL idOPENSUSE-2017-86.NASL
    descriptionThis update for python-pycrypto fixes the following issues : - A heap buffer overflow in the AES module was fixed that could have lead to remote code execution, if the mode of operation can be specified from the outside (CVE-2013-7459, boo#1017420).
    last seen2020-06-05
    modified2017-01-17
    plugin id96552
    published2017-01-17
    reporterThis script is Copyright (C) 2017-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/96552
    titleopenSUSE Security Update : python-pycrypto (openSUSE-2017-86)
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3199-1.NASL
    descriptionIt was discovered that the ALGnew function in block_templace.c in the Python Cryptography Toolkit contained a heap-based buffer overflow vulnerability. A remote attacker could use this flaw to execute arbitrary code by using a crafted initialization vector parameter. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id97221
    published2017-02-17
    reporterUbuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/97221
    titleUbuntu 14.04 LTS / 16.04 LTS / 16.10 : Python Crypto vulnerability (USN-3199-1)

References