wnpa-sec-2018-39 · DICOM dissector large loop

Summary

Name: DICOM dissector large loop

Docid: wnpa-sec-2018-39

Date: July 18, 2018

Affected versions: 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, 2.2.0 to 2.2.15

Fixed versions: 2.6.2, 2.4.8, 2.2.16

References:
Wireshark issue 14742
CVE-2018-14341

Details

Description

The DICOM dissector could go into a large or 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 2.6.2, 2.4.8, 2.2.16 or later.