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wnpa-sec-2015-27 · OpenFlow dissector infinite loop

Summary

Name: OpenFlow dissector infinite loop

Docid: wnpa-sec-2015-27

Date: August 11, 2015

Affected versions: 1.12.0 to 1.12.6

Fixed versions: 1.12.7

References:

Wireshark issue 11358.

Details

Description

The OpenFlow dissector could go into an infinite loop. Discovered by Antti Levomäki and Christian Jalio.

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 1.12.7 or later.