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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk Scripting Support Lets Remote Users Inject Data into Dialplans
SecurityTracker Alert ID:  1023637
SecurityTracker URL:  http://securitytracker.com/id/1023637
CVE Reference:   CVE-2010-0685   (Links to External Site)
Updated:  Feb 27 2010
Original Entry Date:  Feb 19 2010
Impact:   Modification of user information
Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Asterisk. A remote user can inject arbitrary data into dialplans.

A remote user can supply specially crafted string that may be expanded by Asterisk and interpreted as data. A remote user may be able to exploit this to modify dialplan data.

The Dial() application is affected. Other applications that do not properly filter untrusted user-supplied data may also be affected.

Hans Petter Selasky reported this vulnerability.

Impact:   A remote user can inject arbitrary data into dialplans.
Solution:   The vendor has issued an advisory to warn developers of the risk of failing to filter untrusted data.

The vendor's advisory is available at:

http://downloads.asterisk.org/pub/security/AST-2010-002.html

Vendor URL:  downloads.asterisk.org/pub/security/AST-2010-002.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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