Huge thanks to our Platinum Members Endace and LiveAction,
and our Silver Member Veeam, for supporting the Wireshark Foundation and project.

wnpa-sec-2021-08 · Bluetooth HCI_ISO dissector crash

Summary

Name: Bluetooth HCI_ISO dissector crash

Docid: wnpa-sec-2021-08

Date: November 17, 2021

Affected versions: 3.4.0 to 3.4.9

Fixed versions: 3.4.10

References:

Wireshark issue 17649.
CVE-2021-39926.

Details

Description

The Bluetooth HCI_ISO dissector could crash. Discovered by Doening.

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 3.4.10 or later.