[SECURITY] [DSA 2367-1] asterisk security update

From: Moritz Muehlenhoff <jmm@debian.org>
To: bugtraq@securityfocus.com
Cc:
Subject: [SECURITY] [DSA 2367-1] asterisk security update
Date:


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Debian Security Advisory DSA-2367-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
December 19, 2011                      http://www.debian.org/security/faq
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Package        : asterisk
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2011-4597 CVE-2011-4598 
Debian Bug     : 

Several vulnerabilities have been discovered in Asterisk, an Open 
Source PBX and telephony toolkit:
 
CVE-2011-4597

   Ben Williams discovered that it was possible to enumerate SIP
   user names in some configurations. Please see the upstream
   advisory for details:
   http://downloads.asterisk.org/pub/security/AST-2011-013.html
   
   This update only modifies the sample sip.conf configuration
   file. Please see README.Debian for more information on how
   to update your installation.

CVE-2011-4598

   Kristijan Vrban discovered that Asterisk can be crashed with
   malformed SIP packets if the "automon" feature is enabled.
 
For the oldstable distribution (lenny), this problem has been fixed in
version 1:1.4.21.2~dfsg-3+lenny6.

For the stable distribution (squeeze), this problem has been fixed in
version 1:1.6.2.9-2+squeeze4.

For the unstable distribution (sid), this problem has been fixed in
version 1:1.8.8.0~dfsg-1.

We recommend that you upgrade your asterisk packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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