wnpa-sec-2013-20 · FCSP dissector infinite loop

Summary

Name: FCSP dissector infinite loop

Docid: wnpa-sec-2013-20

Date: March 6, 2013

Affected versions: 1.8.0 to 1.8.5, 1.6.0 to 1.6.13

Fixed versions: 1.8.6, 1.6.14

References: Wireshark bug 8359
CVE-2013-2485

Details

Description

The FCSP dissector could go into an infinite loop. Discovered by Moshe Kaplan.

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 1.8.6, 1.6.14 or later.

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