wnpa-sec-2017-39 · Profinet I/O buffer overrun


Name: Profinet I/O buffer overrun

Docid: wnpa-sec-2017-39

Date: August 29, 2017

Affected versions: 2.4.0, 2.2.0 to 2.2.8

Fixed versions: 2.4.1, 2.2.9

Wireshark bug 13847



The Profinet I/O dissector could overrun a buffer. Discovered by ulf33286.


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.


Upgrade to Wireshark 2.4.1, 2.2.9 or later.

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