SUSE SLES11 Security Update : ntp (SUSE-SU-2018:3356-1)

#%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-2018:3356-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(118357);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/29");

  script_cve_id("CVE-2018-12327", "CVE-2018-7170");

  script_name(english:"SUSE SLES11 Security Update : ntp (SUSE-SU-2018:3356-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"NTP was updated to 4.2.8p12 (bsc#1111853) :

CVE-2018-12327: Fixed stack-based buffer overflow in the openhost()
command-line call of NTPQ/NTPDC. (bsc#1098531)

CVE-2018-7170: Add further tweaks to improve the fix for the ephemeral
association time spoofing additional protection (bsc#1083424)

Please also see
https://www.nwtime.org/network-time-foundation-publishes-ntp-4-2-8p12/
for more information.

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=1083424");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1098531");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1111853");
  script_set_attribute(attribute:"see_also", value:"https://www.nwtime.org/network-time-foundation-publishes-ntp-4-2-8p12/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-12327/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-7170/");
  # https://www.suse.com/support/update/announcement/2018/suse-su-20183356-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ddd0ce9d");
  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 11-SP3-LTSS:zypper in -t patch
slessp3-ntp-13833=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch
sleposp3-ntp-13833=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch
dbgsp3-ntp-13833=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-2018-12327");

  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:"2018/03/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/10/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/10/24");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ntp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ntp-doc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
  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) 2018-2024 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:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES11", "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 == "SLES11" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES11", sp:"3", reference:"ntp-4.2.8p12-48.21.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"ntp-doc-4.2.8p12-48.21.1")) 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, "ntp");
}