CVE-2010-4020

CVE Details

Release Date:	2010-12-02
Impact:	Moderate	What is this?

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.

See more information about CVE-2010-4020 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	3.5
Vector String:	AV:N/AC:M/Au:S/C:N/I:P/A:N
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	Single
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (krb5)	ELSA-2011-0200	2011-02-10