EulerOS 2.0 SP5 : ghostscript (EulerOS-SA-2020-2282)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

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

if (description)
{
  script_id(142120);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/13");

  script_cve_id(
    "CVE-2020-16287",
    "CVE-2020-16288",
    "CVE-2020-16289",
    "CVE-2020-16290",
    "CVE-2020-16291",
    "CVE-2020-16292",
    "CVE-2020-16294",
    "CVE-2020-16295",
    "CVE-2020-16296",
    "CVE-2020-16297",
    "CVE-2020-16298",
    "CVE-2020-16299",
    "CVE-2020-16300",
    "CVE-2020-16301",
    "CVE-2020-16302",
    "CVE-2020-16305",
    "CVE-2020-16308",
    "CVE-2020-16309",
    "CVE-2020-16310",
    "CVE-2020-17538"
  );

  script_name(english:"EulerOS 2.0 SP5 : ghostscript (EulerOS-SA-2020-2282)");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing multiple security updates.");
  script_set_attribute(attribute:"description", value:
"According to the versions of the ghostscript packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :

  - A Division by Zero vulnerability in bj10v_print_page()
    in contrib/japanese/gdev10v.c of Artifex Software
    GhostScript v9.50 allows a remote attacker to cause a
    denial of service via a crafted PDF file.
    (CVE-2020-16299)

  - A buffer overflow vulnerability in
    pj_common_print_page() in devices/gdevpjet.c of Artifex
    Software GhostScript v9.50 allows a remote attacker to
    cause a denial of service via a crafted PDF file.
    (CVE-2020-16288)

  - A buffer overflow vulnerability in cif_print_page() in
    devices/gdevcif.c of Artifex Software GhostScript v9.50
    allows a remote attacker to cause a denial of service
    via a crafted PDF file. (CVE-2020-16289)

  - A buffer overflow vulnerability in
    jetp3852_print_page() in devices/gdev3852.c of Artifex
    Software GhostScript v9.50 allows a remote attacker to
    cause a denial of service via a crafted PDF file.
    (CVE-2020-16290)

  - A buffer overflow vulnerability in mj_raster_cmd() in
    contrib/japanese/gdevmjc.c of Artifex Software
    GhostScript v9.50 allows a remote attacker to cause a
    denial of service via a crafted PDF file.
    (CVE-2020-16292)

  - A buffer overflow vulnerability in epsc_print_page() in
    devices/gdevepsc.c of Artifex Software GhostScript
    v9.50 allows a remote attacker to cause a denial of
    service via a crafted PDF file. (CVE-2020-16294)

  - A null pointer dereference vulnerability in
    clj_media_size() in devices/gdevclj.c of Artifex
    Software GhostScript v9.50 allows a remote attacker to
    cause a denial of service via a crafted PDF file.
    (CVE-2020-16295)

  - A buffer overflow vulnerability in GetNumWrongData() in
    contrib/lips4/gdevlips.c of Artifex Software
    GhostScript v9.50 allows a remote attacker to cause a
    denial of service via a crafted PDF file.
    (CVE-2020-16296)

  - A buffer overflow vulnerability in
    FloydSteinbergDitheringC() in contrib/gdevbjca.c of
    Artifex Software GhostScript v9.50 allows a remote
    attacker to cause a denial of service via a crafted PDF
    file. (CVE-2020-16297)

  - A buffer overflow vulnerability in mj_color_correct()
    in contrib/japanese/gdevmjc.c of Artifex Software
    GhostScript v9.50 allows a remote attacker to cause a
    denial of service via a crafted PDF file.
    (CVE-2020-16298)

  - A buffer overflow vulnerability in tiff12_print_page()
    in devices/gdevtfnx.c of Artifex Software GhostScript
    v9.50 allows a remote attacker to cause a denial of
    service via a crafted PDF file. (CVE-2020-16300)

  - A buffer overflow vulnerability in okiibm_print_page1()
    in devices/gdevokii.c of Artifex Software GhostScript
    v9.50 allows a remote attacker to cause a denial of
    service via a crafted PDF file. (CVE-2020-16301)

  - A buffer overflow vulnerability in GetNumSameData() in
    contrib/lips4/gdevlips.c of Artifex Software
    GhostScript v9.50 allows a remote attacker to cause a
    denial of service via a crafted PDF file.
    (CVE-2020-17538)

  - A buffer overflow vulnerability in pcx_write_rle() in
    contrib/japanese/gdev10v.c of Artifex Software
    GhostScript v9.50 allows a remote attacker to cause a
    denial of service via a crafted PDF file.
    (CVE-2020-16305)

  - A buffer overflow vulnerability in p_print_image() in
    devices/gdevcdj.c of Artifex Software GhostScript v9.50
    allows a remote attacker to cause a denial of service
    via a crafted PDF file. (CVE-2020-16308)

  - A buffer overflow vulnerability in
    lxm5700m_print_page() in devices/gdevlxm.c of Artifex
    Software GhostScript v9.50 allows a remote attacker to
    cause a denial of service via a crafted eps file.
    (CVE-2020-16309)

  - A division by zero vulnerability in dot24_print_page()
    in devices/gdevdm24.c of Artifex Software GhostScript
    v9.50 allows a remote attacker to cause a denial of
    service via a crafted PDF file. (CVE-2020-16310)

  - A buffer overflow vulnerability in lprn_is_black() in
    contrib/lips4/gdevlprn.c of Artifex Software
    GhostScript v9.50 allows a remote attacker to cause a
    denial of service via a crafted PDF file.
    (CVE-2020-16287)

  - A buffer overflow vulnerability in contrib/gdevdj9.c of
    Artifex Software GhostScript v9.50 allows a remote
    attacker to cause a denial of service via a crafted PDF
    file. (CVE-2020-16291)

  - A buffer overflow vulnerability in
    jetp3852_print_page() in devices/gdev3852.c of Artifex
    Software GhostScript v9.50 allows a remote attacker to
    escalate privileges via a crafted PDF file.
    (CVE-2020-16302)

Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2020-2282
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?af9876b2");
  script_set_attribute(attribute:"solution", value:
"Update the affected ghostscript packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  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-2020-17538");

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

  script_set_attribute(attribute:"patch_publication_date", value:"2020/10/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/10/30");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:ghostscript");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:ghostscript-cups");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
  script_exclude_keys("Host/EulerOS/uvp_version");

  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/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0");

sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(5)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5");

uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5", "EulerOS UVP " + uvp);

if (!get_kb_item("Host/EulerOS/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$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);

flag = 0;

pkgs = ["ghostscript-9.07-31.6.h19.eulerosv2r7",
        "ghostscript-cups-9.07-31.6.h19.eulerosv2r7"];

foreach (pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", sp:"5", reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    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, "ghostscript");
}