wnpa-sec-2018-29 · DNS dissector crash

Summary

Name: DNS dissector crash

Docid: wnpa-sec-2018-29

Date: May 22, 2018

Affected versions: 2.6.0, 2.4.0 to 2.4.6, 2.2.0 to 2.2.14

Fixed versions: 2.6.1, 2.4.7, 2.2.15

References:
Wireshark issue 14681
CVE-2018-11356

Details

Description

The DNS dissector could crash. Discovered by the OSS-Fuzz project.

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 2.6.1, 2.4.7, 2.2.15 or later.