SUSE SLES11 Security Update : glibc (SUSE-SU-2016:0470-1)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

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

Description :

This update for glibc fixes the following issues :

- CVE-2015-7547: A stack-based buffer overflow in
getaddrinfo allowed remote attackers to cause a crash or
execute arbitrary code via crafted and timed DNS
responses (bsc#961721)

- CVE-2015-8777: Insufficient checking of LD_POINTER_GUARD
environment variable allowed local attackers to bypass
the pointer guarding protection of the dynamic loader on
set-user-ID and set-group-ID programs (bsc#950944)

- CVE-2015-8776: Out-of-range time values passed to the
strftime function may cause it to crash, leading to a
denial of service, or potentially disclosure information
(bsc#962736)

- CVE-2015-8778: Integer overflow in hcreate and hcreate_r
could have caused an out-of-bound memory access. leading
to application crashes or, potentially, arbitrary code
execution (bsc#962737)

- CVE-2014-9761: A stack overflow (unbounded alloca) could
have caused applications which process long strings with
the nan function to crash or, potentially, execute
arbitrary code. (bsc#962738)

- CVE-2015-8779: A stack overflow (unbounded alloca) in
the catopen function could have caused applications
which pass long strings to the catopen function to crash
or, potentially execute arbitrary code. (bsc#962739)

- CVE-2013-2207: pt_chown tricked into granting access to
another users pseudo-terminal (bsc#830257)

- CVE-2013-4458: Stack (frame) overflow in getaddrinfo()
when called with AF_INET6 (bsc#847227)

- CVE-2014-8121: denial of service issue in the NSS
backends (bsc#918187)

- bsc#920338: Read past end of pattern in fnmatch

- CVE-2015-1781: buffer overflow in nss_dns (bsc#927080)

The following non-security bugs were fixed :

- bnc#892065: SIGSEV tst-setlocale3 in
glibc-2.11.3-17.68.1

- bnc#863499: Memory leak in getaddrinfo when many RRs are
returned

- bsc#892065: Avoid unbound alloca in setenv

- bsc#945779: Properly reread entry after failure in
nss_files getent function

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.

See also :

https://bugzilla.suse.com/830257
https://bugzilla.suse.com/847227
https://bugzilla.suse.com/863499
https://bugzilla.suse.com/892065
https://bugzilla.suse.com/918187
https://bugzilla.suse.com/920338
https://bugzilla.suse.com/927080
https://bugzilla.suse.com/945779
https://bugzilla.suse.com/950944
https://bugzilla.suse.com/961721
https://bugzilla.suse.com/962736
https://bugzilla.suse.com/962737
https://bugzilla.suse.com/962738
https://bugzilla.suse.com/962739
https://www.suse.com/security/cve/CVE-2013-2207.html
https://www.suse.com/security/cve/CVE-2013-4458.html
https://www.suse.com/security/cve/CVE-2014-8121.html
https://www.suse.com/security/cve/CVE-2014-9761.html
https://www.suse.com/security/cve/CVE-2015-1781.html
https://www.suse.com/security/cve/CVE-2015-7547.html
https://www.suse.com/security/cve/CVE-2015-8776.html
https://www.suse.com/security/cve/CVE-2015-8777.html
https://www.suse.com/security/cve/CVE-2015-8778.html
https://www.suse.com/security/cve/CVE-2015-8779.html
http://www.nessus.org/u?6da80697
https://www.tenable.com/security/research/tra-2017-08

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 11-SP2-LTSS :

zypper in -t patch slessp2-glibc-12405=1

SUSE Linux Enterprise Debuginfo 11-SP2 :

zypper in -t patch dbgsp2-glibc-12405=1

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

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.8
(CVSS2#E:POC/RL:OF/RC:ND)
Public Exploit Available : true

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