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SUSE SLED12 / SLES12 Security Update : glibc (SUSE-SU-2018:0074-1)

critical Nessus Plugin ID 106044

New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

This update for glibc fixes the following issues :

- A privilege escalation bug in the realpath() function has been fixed. [CVE-2018-1000001, bsc#1074293]

- A memory leak and a buffer overflow in the dynamic ELF loader has been fixed. [CVE-2017-1000408, CVE-2017-1000409, bsc#1071319]

- An issue in the code handling RPATHs was fixed that could have been exploited by an attacker to execute code loaded from arbitrary libraries. [CVE-2017-16997, bsc#1073231]

- A potential crash caused by a use-after-free bug in pthread_create() has been fixed. [bsc#1053188]

- A bug that prevented users to build shared objects which use the optimized libmvec.so API has been fixed.
[bsc#1070905]

- A memory leak in the glob() function has been fixed.
[CVE-2017-15670, CVE-2017-15671, CVE-2017-15804, bsc#1064569, bsc#1064580, bsc#1064583]

- A bug that would lose the syscall error code value in case of crashes has been fixed. [bsc#1063675]

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 Software Development Kit 12-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-55=1

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2018-55=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2018-55=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-55=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-55=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-55=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2018-55=1

SUSE CaaS Platform ALL:zypper in -t patch SUSE-CAASP-ALL-2018-55=1

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2018-55=1

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

Plugin Details

Severity: Critical

ID: 106044

File Name: suse_SU-2018-0074-1.nasl

Version: 1.9

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 1/15/2018

Updated: 1/13/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.7

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:F/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

Temporal Vector: E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:glibc, p-cpe:/a:novell:suse_linux:glibc-debuginfo, p-cpe:/a:novell:suse_linux:glibc-debugsource, p-cpe:/a:novell:suse_linux:glibc-devel, p-cpe:/a:novell:suse_linux:glibc-devel-debuginfo, p-cpe:/a:novell:suse_linux:glibc-locale, p-cpe:/a:novell:suse_linux:glibc-locale-debuginfo, p-cpe:/a:novell:suse_linux:glibc-profile, p-cpe:/a:novell:suse_linux:nscd, p-cpe:/a:novell:suse_linux:nscd-debuginfo, cpe:/o:novell:suse_linux:12

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: 1/12/2018

Vulnerability Publication Date: 10/20/2017

Exploitable With

Metasploit (glibc "realpath()" Privilege Escalation)

Reference Information

CVE: CVE-2017-1000408, CVE-2017-1000409, CVE-2017-15670, CVE-2017-15671, CVE-2017-15804, CVE-2017-16997, CVE-2018-1000001