Loop with Unreachable Exit Condition ('Infinite Loop') Affecting wireshark package, versions <2.2.6+g32dac6a-2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.24% (62nd percentile)

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  • Snyk IDSNYK-UBUNTU1710-WIRESHARK-375217
  • published2 Jun 2017
  • disclosed2 Jun 2017

Introduced: 2 Jun 2017

CVE-2017-9349  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Ubuntu:17.10 wireshark to version 2.2.6+g32dac6a-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wireshark package and not the wireshark package as distributed by Ubuntu. See How to fix? for Ubuntu:17.10 relevant fixed versions and status.

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the DICOM dissector has an infinite loop. This was addressed in epan/dissectors/packet-dcm.c by validating a length value.