Improper Input Validation Affecting wireshark package, versions <2.6.3-1~ubuntu18.04.1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.2% (66th percentile)

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  • Snyk IDSNYK-UBUNTU1804-WIRESHARK-376170
  • published22 Jul 2018
  • disclosed20 Jul 2018

Introduced: 20 Jul 2018

CVE-2018-14438  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 wireshark to version 2.6.3-1~ubuntu18.04.1 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:18.04 relevant fixed versions and status.

In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.