This host has Asterisk installed and is prone to Denial of Service vulnerability.

Successful exploitation will let the attacker cause Denial of Service in the victim's system. Impact Level: Application

Upgrade to Asterisk version 1.6.1.2 or latest or apply the patch, http://www.asterisk.org/downloads http://downloads.asterisk.org/pub/security/AST-2009-004-1.6.1.diff.txt ***** NOTE: Please ignore the warning if the patch is applied. *****

Error in main/rtp.c file which can be exploited via an RTP text frame without a certain delimiter that triggers a NULL pointer dereference and the subsequent calculation to an invalid pointer.

Asterisk version 1.6.1 and before 1.6.1.2 on Linux.

• http://downloads.asterisk.org/pub/security/AST-2009-004.html
• http://secunia.com/advisories/36039/
• http://www.vupen.com/english/advisories/2009/2067

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Updated on 2015-03-25