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wnpa-sec-2023-17 · BLF file parser crash

Summary

Name: BLF file parser crash

Docid: wnpa-sec-2023-17

Date: May 24, 2023

Affected versions: 4.0.0 to 4.0.5

Fixed versions: 4.0.6

References:

Wireshark issue 19084.
CVE-2023-2854.

Details

Description

The BLF file parser could crash. Discovered by Huascar Tejeda.

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 4.0.6 or later.