CVE-2010-4020 - CVE House
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Status published Medium CVE-2010-4020

MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

kerberos 5
Vulnerable Versions:
1.8, 1.8.1, 1.8.2, 1.8.3

Timeline

Official Publish: December 2nd, 2010
Last Modified: August 7th, 2024
Added to House: July 19th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.