SUSE SLES12 Security Update : libzypp, zypper (SUSE-SU-2018:2716-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2018:2716-1.
# The text itself is copyright (C) SUSE.
#

include("compat.inc");

if (description)
{
  script_id(117528);
  script_version("1.3");
  script_cvs_date("Date: 2019/09/10 13:51:49");

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

  script_name(english:"SUSE SLES12 Security Update : libzypp, zypper (SUSE-SU-2018:2716-1)");
  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 provides the following fixes :

Update libzypp to version 16.17.20

Security issues fixed :

PackageProvider: Validate delta 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 issue 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)

do not recommend cron (bsc#1079334)

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=1079334"
  );
  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-20182716-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?f2be265a"
  );
  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 OpenStack Cloud 7:zypper in -t patch
SUSE-OpenStack-Cloud-7-2018-1905=1

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch
SUSE-SLE-SAP-12-SP2-2018-1905=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch
SUSE-SLE-SERVER-12-SP2-2018-1905=1

SUSE Enterprise Storage 4:zypper in -t patch
SUSE-Storage-4-2018-1905=1

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch
SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2018-1905=1"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  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_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:"2018/09/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/09/17");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2019 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:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE 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:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP2", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"2", reference:"libzypp-16.17.20-27.52.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", reference:"libzypp-debuginfo-16.17.20-27.52.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", reference:"libzypp-debugsource-16.17.20-27.52.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", reference:"zypper-1.13.45-18.33.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", reference:"zypper-debuginfo-1.13.45-18.33.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", reference:"zypper-debugsource-1.13.45-18.33.1")) 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, "libzypp / zypper");
}