Asterisk Multiple Vulnerabilities

Last Update Date: 19 Dec 2013 18:10 Release Date: 19 Dec 2013 3031 Views

RISK: Medium Risk

TYPE: Clients - Im, Chat & Voip

Multiple vulnerabilities have been reported in Asterisk, which can be exploited by malicious people to escalate privileges and cause a DoS (Denial of Service).

A 16 bit SMS message that contains an odd message length value will cause the message decoding loop to run forever. The message buffer is not on the stack but will be overflowed resulting in corrupted memory and an immediate crash.

Impact

Denial of Service
Elevation of Privilege

System / Technologies affected

Asterisk Open Source version 1.8.x, 10.x, 11.x
Certified Asterisk version 1.8.x, 11.x
Asterisk with Digiumphones version 10.x-digiumphones

Solutions

Before installation of the software, please visit the software manufacturer web-site for more details.

Update to the patched versions:
- Asterisk Open Source version 1.8.24.1, 10.12.4, 11.6.1
- Asterisk with Digiumphones version 10.12.4-digiumphones
- Certified Asterisk version 1.8.15-cert4, 11.2-cert3

Vulnerability Identifier

No CVE information is available

Source

AusCERT