Vulnerabilities > CVE-2017-14176

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-4052. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(104862);
  script_version("3.7");
  script_cvs_date("Date: 2018/11/13 12:30:46");

  script_cve_id("CVE-2017-14176");
  script_xref(name:"DSA", value:"4052");

  script_name(english:"Debian DSA-4052-1 : bzr - security update");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Adam Collard discovered that Bazaar, an easy to use distributed
version control system, did not correctly handle maliciously
constructed bzr+ssh URLs, allowing a remote attacker to run an
arbitrary shell command."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=874429"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/source-package/bzr"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/jessie/bzr"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/stretch/bzr"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2017/dsa-4052"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the bzr packages.

For the oldstable distribution (jessie), this problem has been fixed
in version 2.6.0+bzr6595-6+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 2.7.0+bzr6619-7+deb9u1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  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:R/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:debian:debian_linux:bzr");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/11/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/11/30");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"8.0", prefix:"bzr", reference:"2.6.0+bzr6595-6+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"bzr-doc", reference:"2.6.0+bzr6595-6+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"python-bzrlib", reference:"2.6.0+bzr6595-6+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"python-bzrlib-dbg", reference:"2.6.0+bzr6595-6+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"python-bzrlib.tests", reference:"2.6.0+bzr6595-6+deb8u1")) flag++;
if (deb_check(release:"9.0", prefix:"bzr", reference:"2.7.0+bzr6619-7+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"bzr-doc", reference:"2.7.0+bzr6619-7+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"python-bzrlib", reference:"2.7.0+bzr6619-7+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"python-bzrlib-dbg", reference:"2.7.0+bzr6619-7+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"python-bzrlib.tests", reference:"2.7.0+bzr6619-7+deb9u1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1107-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(103429);
  script_version("3.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12");

  script_cve_id("CVE-2013-2099", "CVE-2017-14176");
  script_bugtraq_id(59877);

  script_name(english:"Debian DLA-1107-1 : bzr security update");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"CVE-2013-2099

Bazaar bundles SSL certificate checking code from Python, which had a
bug that could cause a denial of service via resource consumption
through multiple wildcards in certificate hostnames.

CVE-2017-14176

Adam Collard found that host names in 'bzr+ssh' URLs were not parsed
correctly by Bazaar, allowing remote attackers to run arbitrary code
by tricking a user into a maliciously crafted URL.

For Debian 7 'Wheezy', these problems have been fixed in version
2.6.0~bzr6526-1+deb7u1.

We recommend that you upgrade your bzr packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA 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://lists.debian.org/debian-lts-announce/2017/09/msg00024.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/bzr"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  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:R/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:debian:debian_linux:bzr");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bzr-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:python-bzrlib");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:python-bzrlib-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:python-bzrlib.tests");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/09/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/09/25");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2020 Tenable Network Security, Inc.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"7.0", prefix:"bzr", reference:"2.6.0~bzr6526-1+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"bzr-doc", reference:"2.6.0~bzr6526-1+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"python-bzrlib", reference:"2.6.0~bzr6526-1+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"python-bzrlib-dbg", reference:"2.6.0~bzr6526-1+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"python-bzrlib.tests", reference:"2.6.0~bzr6526-1+deb7u1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");