wnpa-sec-2017-36 · DOCSIS infinite loop

Summary

Name: DOCSIS infinite loop

Docid: wnpa-sec-2017-36

Date: July 18, 2017

Affected versions: 2.2.0 to 2.2.7, 2.0.0 to 2.0.13

Fixed versions: 2.2.8, 2.0.14

References:
Wireshark issue 13797
CVE-2017-11406

Details

Description

The DOCSIS dissector could go into an infinite loop.

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 2.2.8, 2.0.14 or later.