The SUSE Linux Enterprise 12 kernel was updated to receive critical security fixes. The following security bugs were fixed :
CVE-2016-8655: A race condition in the af_packet packet_set_ring function could be used by local attackers to crash the kernel or gain privileges (bsc#1012754).
CVE-2016-8632: The tipc_msg_build function in net/tipc/msg.c in the Linux kernel did not validate the relationship between the minimum fragment length and the maximum packet size, which allowed local users to gain privileges or cause a denial of service (heap-based buffer overflow) by leveraging the CAP_NET_ADMIN capability (bnc#1008831).
CVE-2016-9555: The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel lacks chunk-length checking for the first chunk, which allowed remote attackers to cause a denial of service (out-of-bounds slab access) or possibly have unspecified other impact via crafted SCTP data (bnc#1011685).
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-2016:3063-1.
# The text itself is copyright (C) SUSE.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(95660);
script_version("2.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2016-8632", "CVE-2016-8655", "CVE-2016-9555");
script_name(english:"SUSE SLES12 Security Update : kernel (SUSE-SU-2016:3063-1)");
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:
"The SUSE Linux Enterprise 12 kernel was updated to receive critical
security fixes. The following security bugs were fixed :
- CVE-2016-8655: A race condition in the af_packet
packet_set_ring function could be used by local
attackers to crash the kernel or gain privileges
(bsc#1012754).
- CVE-2016-8632: The tipc_msg_build function in
net/tipc/msg.c in the Linux kernel did not validate the
relationship between the minimum fragment length and the
maximum packet size, which allowed local users to gain
privileges or cause a denial of service (heap-based
buffer overflow) by leveraging the CAP_NET_ADMIN
capability (bnc#1008831).
- CVE-2016-9555: The sctp_sf_ootb function in
net/sctp/sm_statefuns.c in the Linux kernel lacks
chunk-length checking for the first chunk, which allowed
remote attackers to cause a denial of service
(out-of-bounds slab access) or possibly have unspecified
other impact via crafted SCTP data (bnc#1011685).
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=1008831"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1011685"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1012754"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-8632/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-8655/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-9555/"
);
# https://www.suse.com/support/update/announcement/2016/suse-su-20163063-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?25cc0cba"
);
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-12-2016-1781=1
SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch
SUSE-SLE-SERVER-12-2016-1781=1
SUSE Linux Enterprise Module for Public Cloud 12:zypper in -t patch
SUSE-SLE-Module-Public-Cloud-12-2016-1781=1
To bring your system up-to-date, use 'zypper patch'."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:H/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:H/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:"exploit_framework_core", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'AF_PACKET chocobo_root Privilege Escalation');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-base");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-base-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-man");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-base");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-base-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_60-52_60-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_60-52_60-xen");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
script_set_attribute(attribute:"vuln_publication_date", value:"2016/11/28");
script_set_attribute(attribute:"patch_publication_date", value:"2016/12/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2016/12/09");
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", cpu:"x86_64", reference:"kernel-xen-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", cpu:"x86_64", reference:"kernel-xen-base-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", cpu:"x86_64", reference:"kernel-xen-base-debuginfo-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", cpu:"x86_64", reference:"kernel-xen-debuginfo-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", cpu:"x86_64", reference:"kernel-xen-debugsource-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", cpu:"x86_64", reference:"kernel-xen-devel-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", cpu:"x86_64", reference:"kgraft-patch-3_12_60-52_60-default-1-2.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", cpu:"x86_64", reference:"kgraft-patch-3_12_60-52_60-xen-1-2.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", cpu:"s390x", reference:"kernel-default-man-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"kernel-default-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"kernel-default-base-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"kernel-default-base-debuginfo-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"kernel-default-debuginfo-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"kernel-default-debugsource-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"kernel-default-devel-3.12.60-52.60.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"kernel-syms-3.12.60-52.60.1")) 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, "kernel");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8632
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8655
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9555
www.nessus.org/u?25cc0cba
bugzilla.suse.com/show_bug.cgi?id=1008831
bugzilla.suse.com/show_bug.cgi?id=1011685
bugzilla.suse.com/show_bug.cgi?id=1012754
www.suse.com/security/cve/CVE-2016-8632/
www.suse.com/security/cve/CVE-2016-8655/
www.suse.com/security/cve/CVE-2016-9555/