wnpa-sec-2017-01 · ASTERIX infinite loop

Summary

Name: ASTERIX infinite loop

Docid: wnpa-sec-2017-01

Date: January 23, 2017

Affected versions: 2.2.0 to 2.2.3, 2.0.0 to 2.0.9

Fixed versions: 2.2.4, 2.0.10

References:
Wireshark issue 13344
CVE-2017-5596

Details

Description

The ASTERIX dissector could go into an infinite loop. Discovered by Antti Levomäki and Christian Jalio, Forcepoint.

Impact

It may be possible to make Wireshark consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 2.2.4, 2.0.10 or later.