wnpa-sec-2017-04 · RTMPT dissector infinite loop

Summary

Name: RTMPT dissector infinite loop

Docid: wnpa-sec-2017-04

Date: March 3, 2017

Affected versions: 2.2.0 to 2.2.4, 2.0.0 to 2.0.10

Fixed versions: 2.2.5, 2.0.11

References:
Wireshark issue 13347
CVE-2017-6472

Details

Description

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

Impact

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

Resolution

Upgrade to Wireshark 2.2.5, 2.0.11 or later.