[security-announce] SUSE-SU-2014:1247-2: important: Security update for bash

[news 28]

SUSE Security Update: Security update for bash

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Announcement ID: SUSE-SU-2014:1247-2

Rating: important

References: #898346 #898603 #898604

Cross-References: CVE-2014-7169 CVE-2014-7186 CVE-2014-7187

 

Affected Products:

SUSE Manager 1.7 for SLE 11 SP2

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An update that fixes three vulnerabilities is now available.

 

Description:

 

 

The command-line shell 'bash' evaluates environment variables, which

allows the injection of characters and might be used to access files on

the system in some circumstances (CVE-2014-7169).

 

Please note that this issue is different from a previously fixed

vulnerability tracked under CVE-2014-6271 and is less serious due to the

special, non-default system configuration that is needed to create an

exploitable situation.

 

To remove further exploitation potential we now limit the

function-in-environment variable to variables prefixed with BASH_FUNC_.

This hardening feature is work in progress and might be improved in later

updates.

 

Additionally, two other security issues have been fixed:

 

* CVE-2014-7186: Nested HERE documents could lead to a crash of bash.

* CVE-2014-7187: Nesting of for loops could lead to a crash of bash.

 

Security Issues:

 

* CVE-2014-7169

 

* CVE-2014-7186

 

* CVE-2014-7187

 

 

 

Patch Instructions:

 

To install this SUSE Security Update use YaST online_update.

Alternatively you can run the command listed for your product:

 

- SUSE Manager 1.7 for SLE 11 SP2:

 

zypper in -t patch sleman17sp2-bash-9779

 

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

 

 

Package List:

 

- SUSE Manager 1.7 for SLE 11 SP2 (x86_64):

 

bash-3.2-147.14.22.1

bash-doc-3.2-147.14.22.1

libreadline5-32bit-5.2-147.14.22.1

libreadline5-5.2-147.14.22.1

readline-doc-5.2-147.14.22.1

 

 

References:

 

http://support.novell.com/security/cve/CVE-2014-7169.html

http://support.novell.com/security/cve/CVE-2014-7186.html

http://support.novell.com/security/cve/CVE-2014-7187.html

https://bugzilla.suse.com/show_bug.cgi?id=898346

https://bugzilla.suse.com/show_bug.cgi?id=898603

https://bugzilla.suse.com/show_bug.cgi?id=898604

http://download.suse.com/patch/finder/?keywords=991d0956c7a6a53ad424c0964c1cbb84

 

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