Bug 928774 (CVE-2013-2686)

Summary: CVE-2013-2686 asterisk: DoS in the HTTP server (AST-2013-002)
Product: [Other] Security Response Reporter: Jan Lieskovsky <jlieskov>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: itamar, jeff, lmadsen, rbryant
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: 2013-04-10 22:38:43 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 928552, 928779, 928780    
Bug Blocks:    

Description Jan Lieskovsky 2013-03-28 12:18:26 UTC
A denial of service flaw was found in the way Asterisk, an open-source telephony toolkit, performed processing of certain HTTP POST requests with very large Content-Length values. A remote attacker could use this flaw to cause asterisk telephony server to crash (denial of service).

Upstream advisory:
[1] http://downloads.asterisk.org/pub/security/AST-2013-002.html

Relevant upstream patches:
[2] http://downloads.asterisk.org/pub/security/AST-2013-002-1.8.diff
[3] http://downloads.asterisk.org/pub/security/AST-2013-002-10.diff
[4] http://downloads.asterisk.org/pub/security/AST-2013-002-11.diff

Comment 1 Jan Lieskovsky 2013-03-28 12:33:17 UTC
This issue affects the versions of the asterisk package, as shipped with Fedora release of 18, 17, and Fedora EPEL-6. Please schedule an update.

Comment 2 Jan Lieskovsky 2013-03-28 12:36:10 UTC
Created asterisk tracking bugs for this issue

Affects: fedora-18 [bug 928552]

Comment 3 Jan Lieskovsky 2013-03-28 12:37:43 UTC
Created asterisk tracking bugs for this issue

Affects: fedora-17 [bug 928779]
Affects: epel-6 [bug 928780]

Comment 4 Fedora Update System 2013-04-07 00:44:30 UTC
asterisk-10.12.2-1.fc17 has been pushed to the Fedora 17 stable repository.  If problems still persist, please make note of it in this bug report.