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nessusThis script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-3435.NASL
HistoryJan 06, 2016 - 12:00 a.m.

Debian DSA-3435-1 : git - security update

2016-01-0600:00:00
This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
15

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.08

Percentile

94.3%

Blake Burkhart discovered that the Git git-remote-ext helper incorrectly handled recursive clones of git repositories. A remote attacker could possibly use this issue to execute arbitary code by injecting commands via crafted URLs.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-3435. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(87742);
  script_version("2.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2015-7545");
  script_xref(name:"DSA", value:"3435");

  script_name(english:"Debian DSA-3435-1 : git - 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:
"Blake Burkhart discovered that the Git git-remote-ext helper
incorrectly handled recursive clones of git repositories. A remote
attacker could possibly use this issue to execute arbitary code by
injecting commands via crafted URLs."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/git"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/jessie/git"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2016/dsa-3435"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the git packages.

For the oldstable distribution (wheezy), this problem has been fixed
in version 1:1.7.10.4-1+wheezy2.

For the stable distribution (jessie), this problem has been fixed in
version 1:2.1.4-2.1+deb8u1."
  );
  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:debian:debian_linux:git");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2016/01/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/01/06");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2021 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:"7.0", prefix:"git", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-all", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-arch", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-core", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-cvs", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-daemon-run", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-daemon-sysvinit", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-doc", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-el", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-email", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-gui", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-man", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"git-svn", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"gitk", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"7.0", prefix:"gitweb", reference:"1:1.7.10.4-1+wheezy2")) flag++;
if (deb_check(release:"8.0", prefix:"git", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-all", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-arch", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-core", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-cvs", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-daemon-run", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-daemon-sysvinit", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-doc", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-el", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-email", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-gui", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-man", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-mediawiki", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"git-svn", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"gitk", reference:"1:2.1.4-2.1+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"gitweb", reference:"1:2.1.4-2.1+deb8u1")) 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");

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.08

Percentile

94.3%