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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk IAX2 Channel Driver Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1025708
SecurityTracker URL:  http://securitytracker.com/id/1025708
CVE Reference:   CVE-2011-2535   (Links to External Site)
Date:  Jun 24 2011
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.4 prior to 1.4.41.1, 1.6 prior to 1.6.2.18.1, 1.8 prior to 1.8.4.3
Description:   A vulnerability was reported in Asterisk. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to cause the target service to crash.

Impact:   A remote user can cause the target service to crash.
Solution:   The vendor has issued a fix (Open Source 1.4.41.1, 1.6.2.18.1, 1.8.4.3; Business Edition C.3.7.3).

The vendor's advisory is available at:

http://downloads.asterisk.org/pub/security/AST-2011-010.html

Vendor URL:  downloads.asterisk.org/pub/security/AST-2011-010.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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