wnpa-sec-2017-39 · Profinet I/O buffer overrun
Summary
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
References:
Wireshark issue 13847.
CVE-2017-13766.
Details
Description
The Profinet I/O dissector could overrun a buffer. Discovered by ulf33286.
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 2.4.1, 2.2.9 or later.