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wnpa-sec-2021-19 · pcapng file parser crash

Summary

Name: pcapng file parser crash

Docid: wnpa-sec-2021-19

Date: December 29, 2021

Affected versions: 3.6.0

Fixed versions: 3.6.1

References:

Wireshark issue 17755.
CVE-2021-4183.

Details

Description

The pcapng file parser could crash. Discovered by Shaohua Li.

Impact

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

Resolution

Upgrade to Wireshark 3.6.1 or later.