wnpa-sec-2012-26 · Wireshark HSRP dissector infinite loop

Summary

Name: Wireshark HSRP dissector infinite loop

Docid: wnpa-sec-2012-26

Date: October 2, 2012

Affected versions: 1.8.0 to 1.8.2

Fixed versions: 1.8.3

References: Wireshark bug 7581
CVE-2012-5237

Details

Description

The HSRP 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 1.8.3 or later.