wnpa-sec-2017-29 · BT L2CAP dissector divide by zero

Summary

Name: BT L2CAP dissector divide by zero

Docid: wnpa-sec-2017-29

Date: June 1, 2017

Affected versions: 2.2.0 to 2.2.6, 2.0.0 to 2.0.12

Fixed versions: 2.2.7, 2.0.13

References:
Wireshark issue 13701
CVE-2017-9344

Details

Description

The Bluetooth L2CAP dissector could divide by zero. 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, 2.0.13 or later.