Bug 688678 - (CVE-2011-1175) CVE-2011-1175 asterisk: DoS in TCP/TLS server due to NULL ptr deref (AST-2011-004)
CVE-2011-1175 asterisk: DoS in TCP/TLS server due to NULL ptr deref (AST-2011...
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
: Security
Depends On:
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Reported: 2011-03-17 13:25 EDT by Vincent Danen
Modified: 2011-05-16 17:27 EDT (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2011-05-16 17:27:00 EDT
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Description Vincent Danen 2011-03-17 13:25:46 EDT
AST-2011-004 [1] describes a remote crash vulnerability in the Asterisk TCP/TLS server.  If a remote, unauthenticated, attacker were to rapidly open and close TCP connections to services using the ast_tcptls_* API, they could cause Asterisk to crash after dereferencing a NULL pointer.  This flaw affects 1.6.2.x and 1.8.x, and is corrected in and

[1] http://downloads.asterisk.org/pub/security/AST-2011-004.pdf
Comment 1 Vincent Danen 2011-03-22 00:14:41 EDT
This is assigned CVE-2011-1175.
Comment 2 Vincent Danen 2011-05-16 17:27:00 EDT
This is corrected via these builds that have the fixes from upstream:

Fedora-13: asterisk-
Fedora-14: asterisk-
Fedora-15: asterisk-
Fedora-Rawhide: asterisk-
EPEL-6: asterisk-

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