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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk Firmware Update Protocol Lets Remote Users Attack Arbitrary Sites Via the Asterisk Server
SecurityTracker Alert ID:  1020536
SecurityTracker URL:
CVE Reference:   CVE-2008-3264   (Links to External Site)
Date:  Jul 23 2008
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 1.2 prior to 1.2.30, 1.4 prior to
Description:   A vulnerability was reported in Asterisk. A remote user can initiate denial of service attacks via the target system.

A remote user can send a spoofed IAX2 PWDOWNL request to the target system to cause the target system to respond to the spoofed system. A 40 byte PWDOWNL request can result in a 1040 byte response. This can be exploited by a remote user to attack arbitrary systems via the target system.

The vendor was notified on July 18, 2008.

Tilghman Lesher reported this vulnerability.

Impact:   A remote user can attack arbitrary systems via the target system.
Solution:   The vendor has issued a fixed version (1.2.30,

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Authentication error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.

 Source Message Contents

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