CVE-2009-4212

CVE Details

Release Date:	2010-01-13
Impact:	Critical	What is this?

Description

Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3, and 1.7 before 1.7.1, allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by providing ciphertext with a length that is too short to be valid.

See more information about CVE-2009-4212 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:	10.0
Vector String:	AV:N/AC:L/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 3 (krb5)	ELSA-2010-0029	2010-01-12
Oracle Enterprise Linux version 4 (krb5)	ELSA-2010-0029	2010-01-12
Oracle Linux version 5 (krb5)	ELSA-2010-0029	2010-01-12