Intrusion Prevention

Digium.Asterisk.pjsip_multipart_parse.DoS

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 crafted SIP packet. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system.

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
Teluu Ltd. PJPROJECT prior to commit 595cac8

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
http://downloads.asterisk.org/pub/security/AST-2017-003.txt