SUSE SLED15 / SLES15 Security Update : libarchive (SUSE-SU-2018:3571-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2018:3571-1.
# The text itself is copyright (C) SUSE.
#

include("compat.inc");

if (description)
{
  script_id(120150);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/13");

  script_cve_id("CVE-2017-14501", "CVE-2017-14502", "CVE-2017-14503");

  script_name(english:"SUSE SLED15 / SLES15 Security Update : libarchive (SUSE-SU-2018:3571-1)");
  script_summary(english:"Checks rpm output for the updated packages.");

  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 libarchive fixes the following issues :

CVE-2017-14501: An out-of-bounds read flaw existed in parse_file_info
in archive_read_support_format_iso9660.c when extracting a specially
crafted iso9660 iso file, related to
archive_read_format_iso9660_read_header. (bsc#1059139)

CVE-2017-14502: read_header in archive_read_support_format_rar.c
suffered from an off-by-one error for UTF-16 names in RAR archives,
leading to an out-of-bounds read in
archive_read_format_rar_read_header. (bsc#1059134)

CVE-2017-14503: libarchive suffered from an out-of-bounds read within
lha_read_data_none() in archive_read_support_format_lha.c when
extracting a specially crafted lha archive, related to lha_crc16.
(bsc#1059100)

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=1059100"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1059134"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1059139"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2017-14501/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2017-14502/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2017-14503/"
  );
  # https://www.suse.com/support/update/announcement/2018/suse-su-20183571-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?3c7f94ab"
  );
  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 Development Tools 15:zypper in -t
patch SUSE-SLE-Module-Development-Tools-15-2018-2528=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch
SUSE-SLE-Module-Basesystem-15-2018-2528=1"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:bsdtar");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:bsdtar-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libarchive-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libarchive-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libarchive13");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libarchive13-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/09/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/10/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/02");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

  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:"bsdtar-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"bsdtar-debuginfo-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"libarchive-debugsource-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"libarchive-devel-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"libarchive13-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"libarchive13-debuginfo-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"bsdtar-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"bsdtar-debuginfo-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"libarchive-debugsource-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"libarchive-devel-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"libarchive13-3.3.2-3.3.2")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"libarchive13-debuginfo-3.3.2-3.3.2")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libarchive");
}