Vulnerabilities > CVE-2016-7567 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Openslp 2.0.0

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(130638);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/07");

  script_cve_id(
    "CVE-2016-7567"
  );

  script_name(english:"EulerOS 2.0 SP5 : openslp (EulerOS-SA-2019-2176)");
  script_summary(english:"Checks the rpm output for the updated package.");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"According to the version of the openslp packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerability :

  - Buffer overflow in the SLPFoldWhiteSpace function in
    common/slp_compare.c in OpenSLP 2.0 allows remote
    attackers to have unspecified impact via a crafted
    string.(CVE-2016-7567)

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.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2019-2176
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?90d734d8");
  script_set_attribute(attribute:"solution", value:
"Update the affected openslp package.");
  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:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"patch_publication_date", value:"2019/10/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/11/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openslp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openslp-server");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Huawei Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
  script_exclude_keys("Host/EulerOS/uvp_version");

  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/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0");

sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(5)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5");

uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5", "EulerOS UVP " + uvp);

if (!get_kb_item("Host/EulerOS/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$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);

flag = 0;

pkgs = ["openslp-2.0.0-7.h1.eulerosv2r7",
        "openslp-server-2.0.0-7.h1.eulerosv2r7"];

foreach (pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", sp:"5", reference:pkg)) 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, "openslp");
}

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2016-1262.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(94531);
  script_version("2.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");

  script_cve_id("CVE-2016-4912", "CVE-2016-7567");

  script_name(english:"openSUSE Security Update : openslp (openSUSE-2016-1262)");
  script_summary(english:"Check for the openSUSE-2016-1262 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for openslp fixes two security issues and two bugs.

The following vulnerabilities were fixed :

  - CVE-2016-4912: A remote attacker could have crashed the
    server with a large number of packages (bsc#980722)

  - CVE-2016-7567: A remote attacker could cause a memory
    corruption having unspecified impact (bsc#1001600)

The following bugfix changes are included :

  - bsc#994989: Removed convenience code as changes bytes in
    the message buffer breaking the verification code

  - bsc#974655: Removed no longer needed slpd init file

This update was imported from the SUSE:SLE-12:Update update project."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1001600"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=974655"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=980722"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=994989"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected openslp packages."
  );
  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:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openslp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openslp-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openslp-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openslp-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openslp-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openslp-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openslp-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openslp-server-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2016/11/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/11/04");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2020 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/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");

  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, "openSUSE");
if (release !~ "^(SUSE42\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.1", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE42.1", reference:"openslp-2.0.0-17.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"openslp-debuginfo-2.0.0-17.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"openslp-debugsource-2.0.0-17.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"openslp-devel-2.0.0-17.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"openslp-server-2.0.0-17.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"openslp-server-debuginfo-2.0.0-17.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"openslp-32bit-2.0.0-17.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"openslp-debuginfo-32bit-2.0.0-17.1") ) 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, "openslp / openslp-32bit / openslp-debuginfo / etc");
}

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2016:2661-1.
# The text itself is copyright (C) SUSE.
#

include("compat.inc");

if (description)
{
  script_id(94349);
  script_version("2.9");
  script_cvs_date("Date: 2019/09/11 11:22:14");

  script_cve_id("CVE-2016-4912", "CVE-2016-7567");

  script_name(english:"SUSE SLED12 / SLES12 Security Update : openslp (SUSE-SU-2016:2661-1)");
  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 openslp fixes two security issues and two bugs. The
following vulnerabilities were fixed :

  - CVE-2016-4912: A remote attacker could have crashed the
    server with a large number of packages (bsc#980722)

  - CVE-2016-7567: A remote attacker could cause a memory
    corruption having unspecified impact (bsc#1001600) The
    following bugfix changes are included :

  - bsc#994989: Removed convenience code as changes bytes in
    the message buffer breaking the verification code

  - bsc#974655: Removed no longer needed slpd init file

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=1001600"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=974655"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=980722"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=994989"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-4912/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7567/"
  );
  # https://www.suse.com/support/update/announcement/2016/suse-su-20162661-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?208373b8"
  );
  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 Software Development Kit 12-SP1:zypper in -t
patch SUSE-SLE-SDK-12-SP1-2016-1565=1

SUSE Linux Enterprise Server 12-SP1:zypper in -t patch
SUSE-SLE-SERVER-12-SP1-2016-1565=1

SUSE Linux Enterprise Desktop 12-SP1:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP1-2016-1565=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:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/01/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/10/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/10/28");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2019 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:"^(SLED12|SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED12 / 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:"^(1)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP1", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(1)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP1", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"1", reference:"openslp-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openslp-debuginfo-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openslp-debugsource-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openslp-server-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openslp-server-debuginfo-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openslp-32bit-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openslp-debuginfo-32bit-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openslp-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openslp-32bit-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openslp-debuginfo-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openslp-debuginfo-32bit-2.0.0-17.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openslp-debugsource-2.0.0-17.1")) 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, "openslp");
}