wnpa-sec-2023-19 · IEEE C37.118 Synchrophasor dissector crash

Summary

Name: IEEE C37.118 Synchrophasor dissector crash

Docid: wnpa-sec-2023-19

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 19087.
CVE-2023-0668.

Details

Description

The IEEE C37.118 Synchrophasor dissector could crash. Discovered by zenofex and WanderingGlitch.

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.