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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk Buffer Overflow in pjproject Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1039751
SecurityTracker URL:  http://securitytracker.com/id/1039751
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Nov 9 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 13.x, 14.x, 15.x
Description:   A vulnerability was reported in Asterisk. A remote user can cause the target service to crash.

A remote user can send specially crafted Cseq and Via header port number values to trigger a buffer overflow in the pjproject parsing code to cause the target Asterisk service to crash.

The vendor was notified on October 5, 2017.

Youngsung Kim at LINE Corporation reported this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   The vendor has issued a fix (13.18.1, 14.7.1, 15.1.1).

The vendor advisory is available at:

http://downloads.digium.com/pub/security/AST-2017-009.html

Vendor URL:  downloads.digium.com/pub/security/AST-2017-009.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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