Lucene search

K
nessusThis script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.ROCKY_LINUX_RLSA-2024-2966.NASL
HistoryJun 14, 2024 - 12:00 a.m.

Rocky Linux 8 : ghostscript (RLSA-2024:2966)

2024-06-1400:00:00
This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
4
rocky linux 8
ghostscript
security update
rlsa-2024:2966
cve-2020-21710

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

7

Confidence

Low

EPSS

0.001

Percentile

40.7%

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2024:2966 advisory.

* ghostscript: Divide by zero in eps_print_page in gdevepsn.c (CVE-2020-21710)

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

Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Rocky Linux Security Advisory RLSA-2024:2966.
##

include('compat.inc');

if (description)
{
  script_id(200564);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/14");

  script_cve_id("CVE-2020-21710");
  script_xref(name:"RLSA", value:"2024:2966");

  script_name(english:"Rocky Linux 8 : ghostscript (RLSA-2024:2966)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Rocky Linux host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the
RLSA-2024:2966 advisory.

    * ghostscript: Divide by zero in eps_print_page in gdevepsn.c (CVE-2020-21710)

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

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://errata.rockylinux.org/RLSA-2024:2966");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2235001");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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-2020-21710");

  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:"2023/08/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/06/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/06/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript-tools-dvipdf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript-tools-fonts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript-tools-printing");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript-x11");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:ghostscript-x11-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:libgs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:libgs-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:libgs-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rocky:linux:8");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 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/RockyLinux/release", "Host/RockyLinux/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RockyLinux/release');
if (isnull(os_release) || 'Rocky Linux' >!< os_release) audit(AUDIT_OS_NOT, 'Rocky Linux');
var os_ver = pregmatch(pattern: "Rocky(?: Linux)? release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Rocky Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Rocky Linux 8.x', 'Rocky Linux ' + os_ver);

if (!get_kb_item('Host/RockyLinux/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$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Rocky Linux', cpu);

var pkgs = [
    {'reference':'ghostscript-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-debuginfo-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-debuginfo-9.27-12.el8', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-debuginfo-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-debugsource-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-debugsource-9.27-12.el8', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-debugsource-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-doc-9.27-12.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-tools-dvipdf-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-tools-dvipdf-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-tools-fonts-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-tools-fonts-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-tools-printing-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-tools-printing-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-x11-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-x11-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-x11-debuginfo-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ghostscript-x11-debuginfo-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-9.27-12.el8', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-debuginfo-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-debuginfo-9.27-12.el8', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-debuginfo-9.27-12.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-devel-9.27-12.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-devel-9.27-12.el8', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libgs-devel-9.27-12.el8', 'cpu':'x86_64', 'release':'8', '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 = 'Rocky-' + 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 && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
    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_WARNING,
      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, 'ghostscript / ghostscript-debuginfo / ghostscript-debugsource / etc');
}
VendorProductVersionCPE
rockylinuxlibgs-develp-cpe:/a:rocky:linux:libgs-devel
rockylinuxghostscript-tools-fontsp-cpe:/a:rocky:linux:ghostscript-tools-fonts
rockylinuxghostscript-debugsourcep-cpe:/a:rocky:linux:ghostscript-debugsource
rockylinuxghostscript-docp-cpe:/a:rocky:linux:ghostscript-doc
rockylinuxghostscript-debuginfop-cpe:/a:rocky:linux:ghostscript-debuginfo
rockylinuxghostscript-x11p-cpe:/a:rocky:linux:ghostscript-x11
rockylinuxghostscript-tools-dvipdfp-cpe:/a:rocky:linux:ghostscript-tools-dvipdf
rockylinuxghostscriptp-cpe:/a:rocky:linux:ghostscript
rockylinuxlibgsp-cpe:/a:rocky:linux:libgs
rockylinuxlibgs-debuginfop-cpe:/a:rocky:linux:libgs-debuginfo
Rows per page:
1-10 of 131

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

7

Confidence

Low

EPSS

0.001

Percentile

40.7%