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wnpa-sec-2023-06 · Multiple dissector excessive loops

Summary

Name: Multiple dissector excessive loops

Docid: wnpa-sec-2023-06

Date: January 18, 2023

Affected versions: 4.0.0 to 4.0.2, 3.6.0 to 3.6.10

Fixed versions: 4.0.3, 3.6.11

References:

Wireshark issue 18711.
Wireshark issue 18720.
Wireshark issue 18737.
CVE-2023-0411.

Details

Description

The BPv6, NCP, and RTPS dissectors could loop excessively.

Impact

It may be possible to make Wireshark consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 4.0.3, 3.6.11 or later.