wnpa-sec-2017-13 · WBXML dissector infinite loop

Summary

Name: WBXML dissector infinite loop

Docid: wnpa-sec-2017-13

Date: April 12, 2017

Affected versions: 2.2.0 to 2.2.7, 2.0.0 to 2.0.13

Fixed versions: 2.2.8, 2.0.14

References:
Wireshark issue 13477
Wireshark issue 13796
CVE-2017-7702
CVE-2017-11410

Details

Description

The WBXML dissector could go into an infinite loop. Discovered by Otto Airamo and Antti Levomäki, 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 2.2.8, 2.0.14 or later.

Update: July 18, 2017

Updated for Wireshark 2.2.8 and 2.0.14. Added bug 13796.