Fedora 31 : git (2019-c841bcc3b9)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2019-c841bcc3b9.
#

include('compat.inc');

if (description)
{
  script_id(132119);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/04");

  script_cve_id(
    "CVE-2019-1348",
    "CVE-2019-1349",
    "CVE-2019-1350",
    "CVE-2019-1351",
    "CVE-2019-1352",
    "CVE-2019-1353",
    "CVE-2019-1354",
    "CVE-2019-1387",
    "CVE-2019-19604"
  );
  script_xref(name:"FEDORA", value:"2019-c841bcc3b9");

  script_name(english:"Fedora 31 : git (2019-c841bcc3b9)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"Per the upstream release announcement¹, this release fixes
'various security flaws, which allowed an attacker to overwrite
arbitrary paths, remotely execute code, and/or overwrite files in the
.git/ directory etc. See the release notes attached for the list for
their descriptions and CVE identifiers.'

Refer to the 2.14.6 release notes² for details on these
vulnerabilities and the 2.24.0 release notes³ for details on
other improvements and fixes since 2.23.0.

¹
https://lore.kernel.org/git/[email protected]
/ ²
https://www.kernel.org/pub/software/scm/git/docs/RelNotes/2.14.6.txt
³
https://www.kernel.org/pub/software/scm/git/docs/RelNotes/2.24.0.txt

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-2019-c841bcc3b9");
  # https://lore.kernel.org/git/[email protected]/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d05d9ca8");
  script_set_attribute(attribute:"see_also", value:"https://www.kernel.org/pub/software/scm/git/docs/RelNotes/2.14.6.txt");
  script_set_attribute(attribute:"solution", value:
"Update the affected git package.");
  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: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:"cvss_score_source", value:"CVE-2019-19604");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2019-1353");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/12/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/12/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/12/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:git");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:31");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  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:"^31([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 31", "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:"FC31", reference:"git-2.24.1-1.fc31")) 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, "git");
}