Cryptographic Issues Affecting krb5 package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.54% (67th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Cryptographic Issues vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CONAN-KRB5-10078723
  • published8 May 2025
  • disclosed2 Dec 2010
  • creditUnknown

Introduced: 2 Dec 2010

CVE-2010-4020  (opens in a new tab)
CWE-310  (opens in a new tab)

How to fix?

There is no fixed version for krb5.

Overview

Affected versions of this package are vulnerable to Cryptographic Issues. MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations.

References

CVSS Base Scores

version 3.1