Security Information / 2011 / Security Information -- DSA-2367-1 asterisk

Debian Security Advisory

DSA-2367-1 asterisk -- several vulnerabilities

Date Reported:

19 Dec 2011

Affected Packages:

asterisk

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2011-4597, CVE-2011-4598.

More information:

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.

  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.