SUSE SLES12 Security Update : kernel (SUSE-SU-2016:2655-1) (Dirty COW)

high Nessus Plugin ID 94323

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for the Linux Kernel 3.12.55-52_42 fixes several issues.
The following security bugs were fixed :

- CVE-2016-5195: A local privilege escalation using MAP_PRIVATE was fixed, which is reportedly exploited in the wild (bsc#1004419).

- CVE-2016-4997: The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel allowed local users to gain privileges or cause a denial of service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement (bsc#986377).

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.

Solution

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-12-2016-1559=1

SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2016-1559=1

To bring your system up-to-date, use 'zypper patch'.

Plugin Details

Severity: High

ID: 94323

File Name: suse_SU-2016-2655-1.nasl

Version: 2.15

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/27/2016

Updated: 3/8/2022

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.8

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_55-52_42-xen, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_55-52_42-default

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/26/2016

Vulnerability Publication Date: 7/3/2016

CISA Known Exploited Vulnerability Due Dates: 3/24/2022

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Linux Kernel 4.6.3 Netfilter Privilege Escalation)

Reference Information

CVE: CVE-2016-4997, CVE-2016-5195

IAVA: 2016-A-0306-S

Detections

Analytics