wnpa-sec-2015-25 · GSM RLC/MAC dissector infinite loop

Summary

Name: GSM RLC/MAC dissector infinite loop

Docid: wnpa-sec-2015-25

Date: August 11, 2015

Affected versions: 1.12.0 to 1.12.6

Fixed versions: 1.12.7

References:
Wireshark issue 11358

Details

Description

The GSM RLC/MAC dissector could go into an infinite loop. Discovered by Antti Levomäki and Christian Jalio.

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 1.12.7 or later.