wnpa-sec-2012-40 · Wireshark ICMPv6 dissector infinite loop

Summary

Name: Wireshark ICMPv6 dissector infinite loop

Docid: wnpa-sec-2012-40

Date: November 28, 2012

Affected versions: 1.8.0 to 1.8.3, 1.6.0 to 1.6.11

Fixed versions: 1.8.4, 1.6.12

References: Wireshark bug 7844

Details

Description

The ICMPv6 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 1.8.4, 1.6.12 or later.