[gentoo-announce] [ GLSA 201206-05 ] Asterisk: Multiple vulnerabilities

[news 28]

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Gentoo Linux Security Advisory GLSA 201206-05

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

http://security.gentoo.org/

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 

Severity: Normal

Title: Asterisk: Multiple vulnerabilities

Date: June 21, 2012

Bugs: #413353, #418189, #418191

ID: 201206-05

 

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 

Synopsis

========

 

Multiple vulnerabilities in Asterisk might allow remote attackers to

execute arbitrary code.

 

Background

==========

 

Asterisk is an open source telephony engine and toolkit.

 

Affected packages

=================

 

-------------------------------------------------------------------

Package / Vulnerable / Unaffected

-------------------------------------------------------------------

1 net-misc/asterisk < 1.8.12.1 >= 1.8.12.1

 

Description

===========

 

Multiple vulnerabilities have been found in Asterisk:

 

* An error in manager.c allows shell access through the MixMonitor

application, GetVar, or Status (CVE-2012-2414).

* An error in chan_skinny.c could cause a heap-based buffer overflow

(CVE-2012-2415).

* An error in chan_sip.c prevents Asterisk from checking if a channel

exists before connected line updates (CVE-2012-2416).

* An error in chan_iax2.c may cause an invalid pointer to be called

(CVE-2012-2947).

* chan_skinny.c contains a NULL pointer dereference (CVE-2012-2948).

 

Impact

======

 

A remote attacker could execute arbitrary code with the privileges of

the process or cause a Denial of Service condition.

 

Workaround

==========

 

There is no known workaround at this time.

 

Resolution

==========

 

All Asterisk users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.8.12.1"

 

References

==========

 

[ 1 ] CVE-2012-2414

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2414

[ 2 ] CVE-2012-2415

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2415

[ 3 ] CVE-2012-2416

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2416

[ 4 ] CVE-2012-2947

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2947

[ 5 ] CVE-2012-2948

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2948

 

Availability

============

 

This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:

 

http://security.gentoo.org/glsa/glsa-201206-05.xml

 

Concerns?

=========

 

Security is a primary focus of Gentoo Linux and ensuring the

confidentiality and security of our users' machines is of utmost

importance to us. Any security concerns should be addressed to

security ( -at -) gentoo.org or alternatively, you may file a bug at

https://bugs.gentoo.org.

 

License

=======

 

Copyright 2012 Gentoo Foundation, Inc; referenced text

belongs to its owner(s).

 

The contents of this document are licensed under the

Creative Commons - Attribution / Share Alike license.

 

http://creativecommons.org/licenses/by-sa/2.5