wnpa-sec-2017-20 · SIGCOMP dissector infinite loop

Summary

Name: SIGCOMP dissector infinite loop

Docid: wnpa-sec-2017-20

Date: April 12, 2017

Affected versions: 2.2.0 to 2.2.5, 2.0.0 to 2.0.11

Fixed versions: 2.2.6, 2.0.12

References:
Wireshark issue 13578

Details

Description

The SIGCOMP dissector could go into an infinite loop.

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 2.2.6, 2.0.12 or later.