SUSE SLED12 / SLES12 Security Update : libzypp, zypper (SUSE-SU-2018:2814-1)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2018:2814-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(117694);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/03/25");

  script_cve_id("CVE-2017-9269", "CVE-2018-7685");

  script_name(english:"SUSE SLED12 / SLES12 Security Update : libzypp, zypper (SUSE-SU-2018:2814-1)");
  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 libzypp, zypper fixes the following issues :

Update libzypp to version 16.17.20 :

Security issues fixed :

PackageProvider: Validate deta rpms before caching (bsc#1091624,
bsc#1088705, CVE-2018-7685)

PackageProvider: Validate downloaded rpm package signatures before
caching (bsc#1091624, bsc#1088705, CVE-2018-7685)

Other bugs fixed: lsof: use '-K i' if lsof supports it (bsc#1099847,
bsc#1036304)

Handle http error 502 Bad Gateway in curl backend (bsc#1070851)

RepoManager: Explicitly request repo2solv to generate application
pseudo packages.

libzypp-devel should not require cmake (bsc#1101349)

HardLocksFile: Prevent against empty commit without Target having been
been loaded (bsc#1096803)

Avoid zombie tar processes (bsc#1076192)

Update to zypper to version 1.13.45 :

Security issues fixed: Improve signature check callback messages
(bsc#1045735, CVE-2017-9269)

add/modify repo: Add options to tune the GPG check settings
(bsc#1045735, CVE-2017-9269)

Other bugs fixed: XML <install-summary> attribute `packages-to-change`
added (bsc#1102429) </install-summary>

man: Strengthen that `--config FILE' affects zypper.conf, not
zypp.conf (bsc#1100028)

Prevent nested calls to exit() if aborted by a signal (bsc#1092413)

ansi.h: Prevent ESC sequence strings from going out of scope
(bsc#1092413)

Fix: zypper bash completion expands non-existing options (bsc#1049825)

Improve signature check callback messages (bsc#1045735)

add/modify repo: Add options to tune the GPG check settings
(bsc#1045735)

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=1036304"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1045735"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1049825"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1070851"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1076192"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1088705"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1091624"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1092413"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1096803"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1099847"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1100028"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1101349"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1102429"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2017-9269/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2018-7685/"
  );
  # https://www.suse.com/support/update/announcement/2018/suse-su-20182814-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?668d4976"
  );
  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 Software Development Kit 12-SP3:zypper in -t
patch SUSE-SLE-SDK-12-SP3-2018-1969=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch
SUSE-SLE-SERVER-12-SP3-2018-1969=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP3-2018-1969=1

SUSE CaaS Platform ALL :

To install this update, use the SUSE CaaS Platform Velum dashboard. It
will inform you if it detects new updates and let you then trigger
updating of the complete cluster in a controlled way.

SUSE CaaS Platform 3.0 :

To install this update, use the SUSE CaaS Platform Velum dashboard. It
will inform you if it detects new updates and let you then trigger
updating of the complete cluster in a controlled way."
  );
  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-2017-9269");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libzypp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libzypp-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libzypp-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:zypper");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:zypper-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:zypper-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/09/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/09/25");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2022 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:"^(SLED12|SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED12 / SLES12", "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 == "SLES12" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP3", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP3", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"3", reference:"libzypp-16.17.20-2.33.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"libzypp-debuginfo-16.17.20-2.33.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"libzypp-debugsource-16.17.20-2.33.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"zypper-1.13.45-21.21.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"zypper-debuginfo-1.13.45-21.21.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"zypper-debugsource-1.13.45-21.21.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libzypp-16.17.20-2.33.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libzypp-debuginfo-16.17.20-2.33.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libzypp-debugsource-16.17.20-2.33.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"zypper-1.13.45-21.21.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"zypper-debuginfo-1.13.45-21.21.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"zypper-debugsource-1.13.45-21.21.2")) 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, "libzypp / zypper");
}