wnpa-sec-2017-02 · DHCPv6 large loop
Summary
Name: DHCPv6 large loop
Docid: wnpa-sec-2017-02
Date: January 23, 2017
Affected versions: 2.2.0 to 2.2.3, 2.0.0 to 2.0.9
Fixed versions: 2.2.4, 2.0.10
References:
Wireshark issue 13345.
CVE-2017-5597.
Details
Description
The DHCPv6 dissector could go into a large loop. Discovered by Antti Levomäki and Christian Jalio, Forcepoint.
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 2.2.4, 2.0.10 or later.