This update for ntp fixes the following issues :
Update to 4.2.8p11 (bsc#1082210) :
CVE-2016-1549: Sybil vulnerability: ephemeral association attack. While fixed in ntp-4.2.8p7, there are significant additional protections for this issue in 4.2.8p11.
CVE-2018-7182: ctl_getitem(): buffer read overrun leads to undefined behavior and information leak.
(bsc#1083426)
CVE-2018-7170: Multiple authenticated ephemeral associations. (bsc#1083424)
CVE-2018-7184: Interleaved symmetric mode cannot recover from bad state. (bsc#1083422)
CVE-2018-7185: Unauthenticated packet can reset authenticated interleaved association. (bsc#1083420)
CVE-2018-7183: ntpq:decodearr() can write beyond its buffer limit.(bsc#1083417)
Don’t use libevent’s cached time stamps in sntp.
(bsc#1077445)
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.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2018:0956-1.
# The text itself is copyright (C) SUSE.
#
include("compat.inc");
if (description)
{
script_id(109085);
script_version("1.9");
script_cvs_date("Date: 2019/09/10 13:51:47");
script_cve_id("CVE-2016-1549", "CVE-2018-7170", "CVE-2018-7182", "CVE-2018-7183", "CVE-2018-7184", "CVE-2018-7185");
script_name(english:"SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2018:0956-1)");
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 :
- Update to 4.2.8p11 (bsc#1082210) :
- CVE-2016-1549: Sybil vulnerability: ephemeral
association attack. While fixed in ntp-4.2.8p7, there
are significant additional protections for this issue in
4.2.8p11.
- CVE-2018-7182: ctl_getitem(): buffer read overrun leads
to undefined behavior and information leak.
(bsc#1083426)
- CVE-2018-7170: Multiple authenticated ephemeral
associations. (bsc#1083424)
- CVE-2018-7184: Interleaved symmetric mode cannot recover
from bad state. (bsc#1083422)
- CVE-2018-7185: Unauthenticated packet can reset
authenticated interleaved association. (bsc#1083420)
- CVE-2018-7183: ntpq:decodearr() can write beyond its
buffer limit.(bsc#1083417)
- Don't use libevent's cached time stamps in sntp.
(bsc#1077445)
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=1077445"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1082063"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1082210"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1083417"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1083420"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1083422"
);
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=1083426"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-1549/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-7170/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-7182/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-7183/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-7184/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-7185/"
);
# https://www.suse.com/support/update/announcement/2018/suse-su-20180956-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?4d795c38"
);
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-SP3:zypper in -t patch
SUSE-SLE-SERVER-12-SP3-2018-648=1
SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP3-2018-648=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."
);
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:"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:"2017/01/06");
script_set_attribute(attribute:"patch_publication_date", value:"2018/04/16");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/04/17");
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:"^(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:"ntp-4.2.8p11-64.3.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"ntp-debuginfo-4.2.8p11-64.3.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"ntp-debugsource-4.2.8p11-64.3.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"ntp-doc-4.2.8p11-64.3.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"ntp-4.2.8p11-64.3.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"ntp-debuginfo-4.2.8p11-64.3.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"ntp-debugsource-4.2.8p11-64.3.2")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"ntp-doc-4.2.8p11-64.3.2")) 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, "ntp");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1549
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7170
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7182
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7183
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7184
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7185
www.nessus.org/u?4d795c38
bugzilla.suse.com/show_bug.cgi?id=1077445
bugzilla.suse.com/show_bug.cgi?id=1082063
bugzilla.suse.com/show_bug.cgi?id=1082210
bugzilla.suse.com/show_bug.cgi?id=1083417
bugzilla.suse.com/show_bug.cgi?id=1083420
bugzilla.suse.com/show_bug.cgi?id=1083422
bugzilla.suse.com/show_bug.cgi?id=1083424
bugzilla.suse.com/show_bug.cgi?id=1083426
www.suse.com/security/cve/CVE-2016-1549/
www.suse.com/security/cve/CVE-2018-7170/
www.suse.com/security/cve/CVE-2018-7182/
www.suse.com/security/cve/CVE-2018-7183/
www.suse.com/security/cve/CVE-2018-7184/
www.suse.com/security/cve/CVE-2018-7185/