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CVE Database

CVE-2009-4212

Impact: Critical
Public: 2010-01-12
CWE: CWE-190->CWE-119
Bugzilla: 545015: CVE-2009-4212 krb: KDC integer overflows in AES and RC4 decryption routines (MITKRB5-SA-2009-004)

Details

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2009-4212 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 10.0
Base Metrics: AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: Complete
Integrity Impact: Complete
Availability Impact: Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux ES EUS (v. 4.7) (krb5) RHSA-2010:0029 January 12, 2010
Red Hat Enterprise Linux EUS (v. 5.2 server) (krb5) RHSA-2010:0029 January 12, 2010
Red Hat Enterprise Linux EUS (v. 5.3 server) (krb5) RHSA-2010:0029 January 12, 2010
Red Hat Enterprise Linux version 3 (krb5) RHSA-2010:0029 January 12, 2010
Red Hat Enterprise Linux version 4 (krb5) RHSA-2010:0029 January 12, 2010
Red Hat Enterprise Linux version 5 (krb5) RHSA-2010:0029 January 12, 2010

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.