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wnpa-sec-2017-49 · CIP Safety dissector crash

Summary

Name: CIP Safety dissector crash

Docid: wnpa-sec-2017-49

Date: November 30, 2017

Affected versions: 2.4.0 to 2.4.2, 2.2.0 to 2.2.10

Fixed versions: 2.4.3, 2.2.11

References:

Wireshark issue 14250.
CVE-2017-17085.

Details

Description

The CIP Safety dissector could crash.

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 2.4.3, 2.2.11 or later.