Lucene search

K

Oracle Linux 7 : git (ELSA-2023-0978)

The remote Oracle Linux 7 host has multiple vulnerabilities in Git (ELSA-2023-0978) due to integer overflows in parsing gitattributes and commit formatting, leading to arbitrary code execution

Show more
Related
Refs
Code
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2023-0978.
##

include('compat.inc');

if (description)
{
  script_id(171966);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/10/24");

  script_cve_id("CVE-2022-23521", "CVE-2022-41903");

  script_name(english:"Oracle Linux 7 : git (ELSA-2023-0978)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ELSA-2023-0978 advisory.

    - Fixes CVE-2022-23521 and CVE-2022-41903

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://linux.oracle.com/errata/ELSA-2023-0978.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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: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:"cvss_score_source", value:"CVE-2022-41903");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/01/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/02/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/02/28");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:emacs-git");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:emacs-git-el");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-all");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-bzr");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-cvs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-daemon");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-email");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-gnome-keyring");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-gui");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-hg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-instaweb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-p4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:git-svn");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:gitk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:gitweb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:perl-Git");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:perl-Git-SVN");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item('Host/OracleLinux')) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_release = get_kb_item("Host/RedHat/release");
if (isnull(os_release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 7', 'Oracle Linux ' + os_ver);

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

var 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, 'Oracle Linux', cpu);

var pkgs = [
    {'reference':'emacs-git-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'emacs-git-el-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-all-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-bzr-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-cvs-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-daemon-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-email-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-gnome-keyring-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-gui-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-hg-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-instaweb-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-p4-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-svn-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'gitk-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'gitweb-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'perl-Git-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'perl-Git-SVN-1.8.3.1-24.el7_9', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'emacs-git-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'emacs-git-el-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-all-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-bzr-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-cvs-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-daemon-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-email-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-gnome-keyring-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-gui-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-hg-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-instaweb-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-p4-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'git-svn-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'gitk-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'gitweb-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'perl-Git-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'perl-Git-SVN-1.8.3.1-24.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var el_string = NULL;
  var rpm_spec_vers_cmp = NULL;
  var epoch = NULL;
  var allowmaj = NULL;
  var exists_check = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = 'EL' + package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
  if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
  if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (reference && _release) {
    if (exists_check) {
        if (rpm_exists(release:_release, rpm:exists_check) && rpm_check(release:_release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
    } else {
        if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
    }
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'emacs-git / emacs-git-el / git / etc');
}

Transform Your Security Services

Elevate your offerings with Vulners' advanced Vulnerability Intelligence. Contact us for a demo and discover the difference comprehensive, actionable intelligence can make in your security strategy.

Book a live demo
28 Feb 2023 00:00Current
10High risk
Vulners AI Score10
CVSS39.8
EPSS0.025
SSVC
50
.json
Report