SUSE SLES12 Security Update : qemu (SUSE-SU-2020:1501-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:1501-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(137549);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/06");

  script_cve_id(
    "CVE-2019-6778",
    "CVE-2019-20382",
    "CVE-2020-1711",
    "CVE-2020-1983",
    "CVE-2020-7039",
    "CVE-2020-8608"
  );

  script_name(english:"SUSE SLES12 Security Update : qemu (SUSE-SU-2020:1501-1)");

  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 qemu fixes the following issues :

Security issues fixed :

CVE-2020-1983: Fixed a use-after-free in the ip_reass function of
slirp (bsc#1170940).

CVE-2019-20382: Fixed a potential DoS due to a memory leak in VNC
disconnect (bsc#1165776).

CVE-2020-1711: Fixed a potential OOB access in the iSCSI client code
(bsc#1166240).

CVE-2020-8608: Fixed a potential OOB access in slirp (bsc#1163018).

CVE-2020-7039: Fixed a potential OOB access in slirp (bsc#1161066).

Fixed multiple potential DoS issues in SLIRP, similar to CVE-2019-6778
(bsc#1123156).

Non-security issue fixed :

Miscellaneous fixes to the in-package support documentation.

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=1123156");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1161066");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1163018");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1165776");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1166240");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1170940");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-20382/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-6778/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-1711/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-1983/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-7039/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-8608/");
  # https://www.suse.com/support/update/announcement/2020/suse-su-20201501-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ff8d3d22");
  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 12-SP4 :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-1501=1");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:L/AC:L/PR:L/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-2020-8608");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2019-6778");

  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:"2019/03/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/05/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/06/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-curl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-curl-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-iscsi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-iscsi-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-rbd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-rbd-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-ssh");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-ssh-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-guest-agent");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-guest-agent-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-lang");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-s390");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-s390-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-x86");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  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:"^(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:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP4", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"qemu-block-rbd-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"qemu-block-rbd-debuginfo-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"qemu-x86-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"s390x", reference:"qemu-s390-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"s390x", reference:"qemu-s390-debuginfo-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-curl-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-curl-debuginfo-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-iscsi-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-iscsi-debuginfo-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-ssh-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-ssh-debuginfo-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-debugsource-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-guest-agent-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-guest-agent-debuginfo-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-kvm-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-lang-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-tools-2.11.2-5.26.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-tools-debuginfo-2.11.2-5.26.1")) 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, "qemu");
}