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wnpa-sec-2023-13 · BLF file parser crash

Summary

Name: BLF file parser crash

Docid: wnpa-sec-2023-13

Date: May 24, 2023

Affected versions: 4.0.0 to 4.0.5, 3.6.0 to 3.6.13

Fixed versions: 4.0.6, 3.6.14

References:

Wireshark issue 19063.
CVE-2023-2857.

Details

Description

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

Impact

It may be possible to make Wireshark crash by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 4.0.6, 3.6.14 or later.