Improper Validation Affecting wireshark package, versions [2.6.0,2.6.20)[3.0.0,3.0.14)[3.2.0,3.2.7)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.66% (80th percentile)

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  • Snyk IDSNYK-UNMANAGED-WIRESHARK-2318451
  • published14 Dec 2021
  • disclosed6 Oct 2020
  • creditUnknown

Introduced: 6 Oct 2020

CVE-2020-25862  (opens in a new tab)
CWE-354  (opens in a new tab)

How to fix?

Upgrade wireshark to version 2.6.20, 3.0.14, 3.2.7 or higher.

Overview

Affected versions of this package are vulnerable to Improper Validation. In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.

CVSS Scores

version 3.1