SUSE SLES12 Security Update : glibc (SUSE-SU-2018:2187-1)

High Nessus Plugin ID 111547

Synopsis

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

Description

This update for glibc fixes the following issues: Security issues fixed :

- CVE-2017-15804: Fix buffer overflow during unescaping of user names in the glob function in glob.c (bsc#1064580).

- CVE-2017-15670: Fix buffer overflow in glob with GLOB_TILDE (bsc#1064583).

- CVE-2017-15671: Fix memory leak in glob with GLOB_TILDE (bsc#1064569).

- CVE-2018-11236: Fix 32bit arch integer overflow in stdlib/canonicalize.c when processing very long pathname arguments (bsc#1094161).

- CVE-2017-12132: Reduce advertised EDNS0 buffer size to guard against fragmentation attacks (bsc#1051791).

- CVE-2018-1000001: Avoid underflow of malloced area (bsc#1074293).

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 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-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2018-1484=1

See Also

https://bugzilla.suse.com/1051791

https://bugzilla.suse.com/1064569

https://bugzilla.suse.com/1064580

https://bugzilla.suse.com/1064583

https://bugzilla.suse.com/1074293

https://bugzilla.suse.com/1094161

https://www.suse.com/security/cve/CVE-2017-12132.html

https://www.suse.com/security/cve/CVE-2017-15670.html

https://www.suse.com/security/cve/CVE-2017-15671.html

https://www.suse.com/security/cve/CVE-2017-15804.html

https://www.suse.com/security/cve/CVE-2018-1000001.html

https://www.suse.com/security/cve/CVE-2018-11236.html

http://www.nessus.org/u?c6bfadd6

Plugin Details

Severity: High

ID: 111547

File Name: suse_SU-2018-2187-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2018/08/06

Modified: 2018/08/07

Dependencies: 12634

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.5

Temporal Score: 5.9

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

Temporal Vector: CVSS2#E:POC/RL:OF/RC:ND

CVSSv3

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:X

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: 2018/08/03

Exploitable With

Metasploit (glibc "realpath()" Privilege Escalation)

Reference Information

CVE: CVE-2017-12132, CVE-2017-15670, CVE-2017-15671, CVE-2017-15804, CVE-2018-1000001, CVE-2018-11236