wnpa-sec-2023-20 · XRA dissector infinite loop

Summary

Name: XRA dissector infinite loop

Docid: wnpa-sec-2023-20

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 19100.
CVE-2023-2952.

Details

Description

The XRA dissector could go into an infinite loop.

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, 3.6.14 or later.