wnpa-sec-2017-23 · DOF dissector read overflow

Summary

Name: DOF dissector read overflow

Docid: wnpa-sec-2017-23

Date: June 1, 2017

Affected versions: 2.2.0 to 2.2.12

Fixed versions: 2.2.7

References:
Wireshark issue 13608
CVE-2017-9348

Details

Description

The DOF dissector could read past the end of a buffer. 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 2.2.7 or later.