SUSE SLED15 / SLES15 Security Update : liblouis (SUSE-SU-2019:0795-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2019:0795-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(123501);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/07");

  script_cve_id(
    "CVE-2018-11410",
    "CVE-2018-11440",
    "CVE-2018-11577",
    "CVE-2018-11683",
    "CVE-2018-11684",
    "CVE-2018-11685",
    "CVE-2018-12085",
    "CVE-2018-17294"
  );

  script_name(english:"SUSE SLED15 / SLES15 Security Update : liblouis (SUSE-SU-2019:0795-1)");

  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 liblouis fixes the following issues :

Security issues fixed :

CVE-2018-17294: Fixed an out of bounds read in matchCurrentInput
function which could allow a remote attacker to cause Denail of
Service (bsc#1109319).

CVE-2018-11410: Fixed an invalid free in the compileRule function in
compileTranslationTable.c (bsc#1094685)

CVE-2018-11440: Fixed a stack-based buffer overflow in the function
parseChars() in compileTranslationTable.c (bsc#1095189)

CVE-2018-11577: Fixed a segmentation fault in lou_logPrint in
logging.c (bsc#1095945)

CVE-2018-11683: Fixed a stack-based buffer overflow in the function
parseChars() in compileTranslationTable.c (different vulnerability
than CVE-2018-11440) (bsc#1095827)

CVE-2018-11684: Fixed stack-based buffer overflow in the function
includeFile() in compileTranslationTable.c (bsc#1095826)

CVE-2018-11685: Fixed a stack-based buffer overflow in the function
compileHyphenation() in compileTranslationTable.c (bsc#1095825)

CVE-2018-12085: Fixed a stack-based buffer overflow in the function
parseChars() in compileTranslationTable.c (different vulnerability
than CVE-2018-11440) (bsc#1097103)

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://bugzilla.suse.com/show_bug.cgi?id=1094685");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1095189");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1095825");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1095826");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1095827");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1095945");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1097103");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1109319");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-11410/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-11440/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-11577/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-11683/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-11684/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-11685/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-12085/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-17294/");
  # https://www.suse.com/support/update/announcement/2019/suse-su-20190795-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c4e11e02");
  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 Module for Open Buildservice Development Tools
15:zypper in -t patch
SUSE-SLE-Module-Development-Tools-OBS-15-2019-795=1

SUSE Linux Enterprise Module for Desktop Applications 15:zypper in -t
patch SUSE-SLE-Module-Desktop-Applications-15-2019-795=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: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-2018-11410");

  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:"2018/05/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/03/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/29");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis-data");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis14");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:liblouis14-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-louis");
  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) 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/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)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP0", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP0", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis-data-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis-debuginfo-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis-debugsource-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis-devel-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis-doc-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis-tools-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis-tools-debuginfo-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis14-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"liblouis14-debuginfo-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"python3-louis-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis-data-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis-debuginfo-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis-debugsource-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis-devel-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis-doc-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis-tools-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis-tools-debuginfo-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis14-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"liblouis14-debuginfo-3.3.0-4.5.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"python3-louis-3.3.0-4.5.1")) 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, "liblouis");
}