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wnpa-sec-2020-09 · GVCP dissector infinite loop

Summary

Name: GVCP dissector infinite loop

Docid: wnpa-sec-2020-09

Date: July 1, 2020

Affected versions: 3.2.0 to 3.2.4

Fixed versions: 3.2.5

References:

Wireshark issue 16029.
CVE-2020-15466.

Details

Description

The GVCP dissector could go into an infinite loop.

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 3.2.5 or later.