wnpa-sec-2020-07 · BACapp dissector crash

Summary

Name: BACapp dissector crash

Docid: wnpa-sec-2020-07

Date: April 8, 2020

Affected versions: 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, 2.6.0 to 2.6.15

Fixed versions: 3.2.3, 3.0.10, 2.6.16

References:
Wireshark issue 16474
CVE-2020-11647

Details

Description

The BACapp 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 3.2.3, 3.0.10, 2.6.16 or later.