Use After Free Affecting wireshark package, versions [2.4.0,2.4.12)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.15% (53rd percentile)

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  • Snyk IDSNYK-UNMANAGED-WIRESHARK-2317979
  • published14 Dec 2021
  • disclosed8 Jan 2019
  • creditUnknown

Introduced: 8 Jan 2019

CVE-2019-5721  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade wireshark to version 2.4.12 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.

References

CVSS Scores

version 3.1