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wnpa-sec-2014-23 · TN5250 infinite loops

Summary

Name: TN5250 infinite loops

Docid: wnpa-sec-2014-23

Date: November 12, 2014

Affected versions: 1.12.0 to 1.12.1, 1.10.0 to 1.10.10

Fixed versions: 1.12.2, 1.10.11

References:

Wireshark issue 10596.
CVE-2014-8714.

Details

Description

The TN5250 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 1.12.2, 1.10.11 or later.