Lucene search

K
nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2020-2095-1.NASL
HistoryJul 31, 2020 - 12:00 a.m.

SUSE SLED15 / SLES15 Security Update : ghostscript (SUSE-SU-2020:2095-1)

2020-07-3100:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
15

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.6 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

76.4%

This update for ghostscript fixes the following issues :

fixed CVE-2020-15900 Memory Corruption (SAFER Sandbox Breakout) cf.
https://bugs.ghostscript.com/show_bug.cgi?id=702582 (bsc#1174415)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:2095-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(139222);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/27");

  script_cve_id("CVE-2020-15900");

  script_name(english:"SUSE SLED15 / SLES15 Security Update : ghostscript (SUSE-SU-2020:2095-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"This update for ghostscript fixes the following issues :

fixed CVE-2020-15900 Memory Corruption (SAFER Sandbox Breakout) cf.
https://bugs.ghostscript.com/show_bug.cgi?id=702582 (bsc#1174415)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. 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://bugs.ghostscript.com/show_bug.cgi?id=702582");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1174415");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-15900/");
  # https://www.suse.com/support/update/announcement/2020/suse-su-20202095-1
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?785cb406");
  script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server for SAP 15 :

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-2095=1

SUSE Linux Enterprise Server 15-LTSS :

zypper in -t patch SUSE-SLE-Product-SLES-15-2020-2095=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2095=1

SUSE Linux Enterprise Module for Basesystem 15-SP1 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-2095=1

SUSE Linux Enterprise High Performance Computing 15-LTSS :

zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2095=1

SUSE Linux Enterprise High Performance Computing 15-ESPOS :

zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2095=1");
  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:"cvss_score_source", value:"CVE-2020-15900");

  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:"2020/07/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/31");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ghostscript");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ghostscript-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ghostscript-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ghostscript-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ghostscript-x11");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ghostscript-x11-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE 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/cpu", "Host/SuSE/release", "Host/SuSE/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/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(0|1|2)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP0/1/2", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(1|2)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP1/2", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES15", sp:"1", reference:"ghostscript-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ghostscript-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ghostscript-debugsource-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ghostscript-devel-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ghostscript-x11-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ghostscript-x11-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"ghostscript-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"ghostscript-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"ghostscript-debugsource-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"ghostscript-devel-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"ghostscript-x11-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"ghostscript-x11-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"ghostscript-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"ghostscript-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"ghostscript-debugsource-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"ghostscript-devel-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"ghostscript-x11-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"ghostscript-x11-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ghostscript-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ghostscript-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ghostscript-debugsource-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ghostscript-devel-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ghostscript-x11-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ghostscript-x11-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"ghostscript-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"ghostscript-debuginfo-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"ghostscript-debugsource-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"ghostscript-devel-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"ghostscript-x11-9.52-3.32.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"ghostscript-x11-debuginfo-9.52-3.32.1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ghostscript");
}
VendorProductVersionCPE
novellsuse_linuxghostscriptp-cpe:/a:novell:suse_linux:ghostscript
novellsuse_linuxghostscript-debuginfop-cpe:/a:novell:suse_linux:ghostscript-debuginfo
novellsuse_linuxghostscript-debugsourcep-cpe:/a:novell:suse_linux:ghostscript-debugsource
novellsuse_linuxghostscript-develp-cpe:/a:novell:suse_linux:ghostscript-devel
novellsuse_linuxghostscript-x11p-cpe:/a:novell:suse_linux:ghostscript-x11
novellsuse_linuxghostscript-x11-debuginfop-cpe:/a:novell:suse_linux:ghostscript-x11-debuginfo
novellsuse_linux15cpe:/o:novell:suse_linux:15

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.6 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

76.4%