SUSE SLES12 Security Update : ntp (SUSE-SU-2016:3196-1)

2016-12-21T00:00:00
ID SUSE_SU-2016-3196-1.NASL
Type nessus
Reporter This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2016-12-21T00:00:00

Description

This update for ntp fixes the following issues: ntp was updated to 4.2.8p9. Security issues fixed :

  • CVE-2016-9311, CVE-2016-9310, bsc#1011377: Mode 6 unauthenticated trap information disclosure and DDoS vector.

  • CVE-2016-7427, bsc#1011390: Broadcast Mode Replay Prevention DoS.

  • CVE-2016-7428, bsc#1011417: Broadcast Mode Poll Interval Enforcement DoS.

  • CVE-2016-7431, bsc#1011395: Regression: 010-origin: Zero Origin Timestamp Bypass.

  • CVE-2016-7434, bsc#1011398: NULL pointer dereference in _IO_str_init_static_internal().

  • CVE-2016-7429, bsc#1011404: Interface selection attack.

  • CVE-2016-7426, bsc#1011406: Client rate limiting and server responses.

  • CVE-2016-7433, bsc#1011411: Reboot sync calculation problem.

  • CVE-2015-5219: An endless loop due to incorrect precision to double conversion (bsc#943216). Non-security issues fixed :

  • Fix a spurious error message.

  • Other bugfixes, see /usr/share/doc/packages/ntp/ChangeLog.

  • Fix a regression in 'trap' (bsc#981252).

  • Reduce the number of netlink groups to listen on for changes to the local network setup (bsc#992606).

  • Fix segfault in 'sntp -a' (bsc#1009434).

  • Silence an OpenSSL version warning (bsc#992038).

  • Make the resolver task change user and group IDs to the same values as the main task. (bsc#988028)

  • Simplify ntpd's search for its own executable to prevent AppArmor warnings (bsc#956365).

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.

                                        
                                            #%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-2016:3196-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(95988);
  script_version("3.14");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2015-5219", "CVE-2016-7426", "CVE-2016-7427", "CVE-2016-7428", "CVE-2016-7429", "CVE-2016-7431", "CVE-2016-7433", "CVE-2016-7434", "CVE-2016-9310", "CVE-2016-9311");

  script_name(english:"SUSE SLES12 Security Update : ntp (SUSE-SU-2016:3196-1)");
  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 ntp fixes the following issues: ntp was updated to
4.2.8p9. Security issues fixed :

  - CVE-2016-9311, CVE-2016-9310, bsc#1011377: Mode 6
    unauthenticated trap information disclosure and DDoS
    vector.

  - CVE-2016-7427, bsc#1011390: Broadcast Mode Replay
    Prevention DoS.

  - CVE-2016-7428, bsc#1011417: Broadcast Mode Poll Interval
    Enforcement DoS.

  - CVE-2016-7431, bsc#1011395: Regression: 010-origin: Zero
    Origin Timestamp Bypass.

  - CVE-2016-7434, bsc#1011398: NULL pointer dereference in
    _IO_str_init_static_internal().

  - CVE-2016-7429, bsc#1011404: Interface selection attack.

  - CVE-2016-7426, bsc#1011406: Client rate limiting and
    server responses.

  - CVE-2016-7433, bsc#1011411: Reboot sync calculation
    problem.

  - CVE-2015-5219: An endless loop due to incorrect
    precision to double conversion (bsc#943216).
    Non-security issues fixed :

  - Fix a spurious error message.

  - Other bugfixes, see
    /usr/share/doc/packages/ntp/ChangeLog.

  - Fix a regression in 'trap' (bsc#981252).

  - Reduce the number of netlink groups to listen on for
    changes to the local network setup (bsc#992606).

  - Fix segfault in 'sntp -a' (bsc#1009434).

  - Silence an OpenSSL version warning (bsc#992038).

  - Make the resolver task change user and group IDs to the
    same values as the main task. (bsc#988028)

  - Simplify ntpd's search for its own executable to prevent
    AppArmor warnings (bsc#956365).

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=1009434"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1011377"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1011390"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1011395"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1011398"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1011404"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1011406"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1011411"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1011417"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=943216"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=956365"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=981252"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=988028"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=992038"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=992606"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-5219/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7426/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7427/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7428/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7429/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7431/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7433/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7434/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-9310/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-9311/"
  );
  # https://www.suse.com/support/update/announcement/2016/suse-su-20163196-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?1613e866"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server for SAP 12:zypper in -t patch
SUSE-SLE-SAP-12-2016-1852=1

SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch
SUSE-SLE-SERVER-12-2016-1852=1

To bring your system up-to-date, use 'zypper patch'."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C");
  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:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  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-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ntp-debugsource");
  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:12");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/01/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/12/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/12/21");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2021 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:"^(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:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP0", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"0", reference:"ntp-4.2.8p9-46.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"ntp-debuginfo-4.2.8p9-46.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"ntp-debugsource-4.2.8p9-46.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"ntp-doc-4.2.8p9-46.18.1")) 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");
}