Improper Authentication Affecting kerberos package, versions [,1.16)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.15% (52nd percentile)

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  • Snyk IDSNYK-UNMANAGED-KERBEROS-3006737
  • published12 Jan 2022
  • disclosed26 Jul 2018
  • creditUnknown

Introduced: 26 Jul 2018

CVE-2017-7562  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade kerberos to version 1.16 or higher.

Overview

Affected versions of this package are vulnerable to Improper Authentication. An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.

CVSS Scores

version 3.1