wnpa-sec-2013-31 · ETCH dissector large loop

Summary

Name: ETCH dissector large loop

Docid: wnpa-sec-2013-31

Date: May 17, 2013

Affected versions: 1.8.0 to 1.8.6

Fixed versions: 1.8.7

References:
Wireshark bug 8464
CVE-2013-3561

Details

Description

The ETCH dissector could go into a large loop. Discovered by Moshe Kaplan.

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 1.8.7 or later.