The Asterisk Development Team has announced the release of Asterisk versions
1.4.41.1, 1.6.2.18.1, and 1.8.4.3, which are security releases.
These releases are available for immediate download at
http://downloads.asterisk.org/pub/telephony/asterisk/releases
The release of Asterisk 1.4.41.1, 1.6.2.18, and 1.8.4.3 resolves several
issues
as outlined below:
* AST-2011-008: If a remote user sends a SIP packet containing a null,
Asterisk assumes available data extends past the null to the
end of the packet when the buffer is actually truncated when
copied. This causes SIP header parsing to modify data past
the end of the buffer altering unrelated memory structures.
This vulnerability does not affect TCP/TLS connections.
-- Resolved in 1.6.2.18.1 and 1.8.4.3
* AST-2011-009: A remote user sending a SIP packet containing a Contact
header
with a missing left angle bracket (<) causes Asterisk to
access a null pointer.
-- Resolved in 1.8.4.3
* AST-2011-010: A memory address was inadvertently transmitted over the
network via IAX2 via an option control frame and the remote party
would try
to access it.
-- Resolved in 1.4.41.1, 1.6.2.18.1, and 1.8.4.3
The issues and resolutions are described in the AST-2011-008,
AST-2011-009, and
AST-2011-010 security advisories.
For more information about the details of these vulnerabilities, please read
the security advisories AST-2011-008, AST-2011-009, and AST-2011-010,
which were
released at the same time as this announcement.
For a full list of changes in the current releases, please see the
ChangeLog:
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.4.41.1
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.6.2.18.1
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.8.4.3
Security advisories AST-2011-008, AST-2011-009, and AST-2011-010 are
available
at:
http://downloads.asterisk.org/pub/security/AST-2011-008.pdf
http://downloads.asterisk.org/pub/security/AST-2011-009.pdf
http://downloads.asterisk.org/pub/security/AST-2011-010.pdf
Thank you for your continued support of Asterisk!
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