wnpa-sec-2018-34 · BGP dissector large loop
Summary
Name: BGP dissector large loop
Docid: wnpa-sec-2018-34
Date: July 18, 2018
Affected versions: 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, 2.2.0 to 2.2.15
Fixed versions: 2.6.2, 2.4.8, 2.2.16
References:
Wireshark issue 13741.
CVE-2018-14342.
Details
Description
The BGP dissector could go into a large loop. Discovered by the OSS-Fuzz project.
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 2.6.2, 2.4.8, 2.2.16 or later.