Insufficient Verification of Data Authenticity Affecting samba package, versions [3.0.0,4.13.14)[4.14.0,4.14.10)[4.15.0,4.15.2)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.16% (53rd percentile)

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  • Snyk IDSNYK-UNMANAGED-SAMBA-2936557
  • published29 Jun 2022
  • disclosed28 Jun 2022
  • creditStefan Metzmacher

Introduced: 28 Jun 2022

CVE-2021-23192  (opens in a new tab)
CWE-345  (opens in a new tab)

How to fix?

Upgrade samba to version 4.13.14, 4.14.10, 4.15.2 or higher.

Overview

Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity via the DCE/RPC implementation. If a client to a Samba server sends a very large DCE/RPC request and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

CVSS Scores

version 3.1