Bug 688678 (CVE-2011-1175)

Summary: CVE-2011-1175 asterisk: DoS in TCP/TLS server due to NULL ptr deref (AST-2011-004)
Product: [Other] Security Response Reporter: Vincent Danen <vdanen>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: itamar, jeff
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-05-16 21:27:00 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Vincent Danen 2011-03-17 17:25:46 UTC
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 04:14:41 UTC
This is assigned CVE-2011-1175.

Comment 2 Vincent Danen 2011-05-16 21:27:00 UTC
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-