wnpa-sec-2012-32 · Wireshark sFlow dissector infinite loop

Summary

Name: Wireshark sFlow dissector infinite loop

Docid: wnpa-sec-2012-32

Date: November 28, 2012

Affected versions: 1.8.0 to 1.8.3, 1.6.0 to 1.6.13.

Fixed versions: 1.8.4

References: Wireshark bug 7789
CVE-2012-6054

Details

Description

The sFlow 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 or later.