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wnpa-sec-2023-23 · CBOR dissector crash

Summary

Name: CBOR dissector crash

Docid: wnpa-sec-2023-23

Date: August 23, 2023

Affected versions: 4.0.0 to 4.0.7

Fixed versions: 4.0.8

References:

Wireshark issue 19144.

Details

Description

The CBOR protocol dissector could crash. Discovered by Simone Di Maria.

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 4.0.8 or later.