Digium.Asterisk.SIP.CSeq.Heap.Buffer.Overflow

Description

This indicates an attack attempt to exploit a Denial of Service vulnerability in Digium Asterisk.
The vulnerability is due to an error when the vulnerable application handles a crafted SIP packet. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted packet.

Affected Products

Digium Asterisk Open Source prior to 13.15.1
Digium Asterisk Open Source prior to 14.4.1
Digium Certified Asterisk prior to 13.13-cert4

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
http://downloads.asterisk.org/pub/security/AST-2017-002.txt

References