Asterisk 1.8.15-cert3, 11.2-cert2, 1.8.23.1, 10.12.3, 10.12.3-digiumphones, 11.5.1 Now Available (Security Release)

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The Asterisk Development Team has announced security releases for Certified Asterisk 1.8.15, 11.2, and Asterisk 1.8, 10, and 11. The available security releases are released as versions 1.8.15-cert2, 11.2-cert2, 1.8.23.1, 10.12.3, 10.12.3-digiumphones, and 11.5.1.

These releases are available for immediate download at http://downloads.asterisk.org/pub/telephony/asterisk/releases

The release of these versions resolve the following issues:

* A remotely exploitable crash vulnerability exists in the SIP channel driver if
an ACK with SDP is received after the channel has been terminated. The
handling code incorrectly assumes that the channel will always be present.

* A remotely exploitable crash vulnerability exists in the SIP channel driver if
an invalid SDP is sent in a SIP request that defines media descriptions before
connection information. The handling code incorrectly attempts to reference
the socket address information even though that information has not yet been
set.

These issues and their resolutions are described in the security advisories.

For more information about the details of these vulnerabilities, please read security advisories AST-2013-004 and AST-2013-005, which were released at the same time as this announcement.

For a full list of changes in the current releases, please see the ChangeLogs:

http://downloads.asterisk.org/pub/telephony/certified-asterisk/releases/ChangeLog-1.8.15-cert3
http://downloads.asterisk.org/pub/telephony/certified-asterisk/releases/ChangeLog-11.2-cert2
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.8.23.1
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-10.12.3
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-10.12.3-digiumphones http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-11.5.1

The security advisories are available at:

* http://downloads.asterisk.org/pub/security/AST-2013-004.pdf
* http://downloads.asterisk.org/pub/security/AST-2013-005.pdf

Thank you for your continued support of Asterisk!

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