Now Available: Security Releases For Certified Asterisk 13.13 And Asterisk 13, 14 And 15

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The Asterisk Development Team has announced security releases for Certified Asterisk 13.13 and Asterisk 13, 14 and 15. The available security releases are released as versions 13.13-cert7, 13.18.1,
14.7.1 and 15.1.1.

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

The release of these versions resolves the following security vulnerabilities:

* AST-2017-009: Buffer overflow in pjproject header parsing can
cause a crash in Asterisk
By carefully crafting invalid values in the Cseq and the Via
header port, pjproject’s packet parsing code can create strings
larger than the buffer allocated to hold them. This will usually
cause Asterisk to crash immediately. The packets do not have to
be authenticated.

* AST-2017-010: Buffer overflow in CDR’s set user
No size checking is done when setting the user field for Party B
on a CDR. Thus, it is possible for someone to use an arbitrarily
large string and write past the end of the user field storage
buffer. The earlier AST-2017-001 advisory for the CDR user field
overflow was for the Party A buffer.

* AST-2017-011: Memory leak in pjsip session resource
A memory leak occurs when an Asterisk pjsip session object is
created and that call gets rejected before the session itself is
fully established. When this happens the session object never
gets destroyed.

For a full list of changes in the current releases, please see the ChangeLogs:
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-13.18.1
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog.7.1
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-15.1.1
http://downloads.asterisk.org/pub/telephony/certified-asterisk/ChangeLog-certified-13.13-cert7

The security advisories are available at:
http://downloads.asterisk.org/pub/security/AST-2017-009.pdf http://downloads.asterisk.org/pub/security/AST-2017-010.pdf http://downloads.asterisk.org/pub/security/AST-2017-011.pdf

Thank you for your continued support of Asterisk!

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