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CVE-2009-4212

Impact:
Critical
Public Date:
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)

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 dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 10
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 3 (krb5) RHSA-2010:0029 2010-01-12
Red Hat Enterprise Linux EUS (v. 5.2 server) (krb5) RHSA-2010:0029 2010-01-12
Red Hat Enterprise Linux 4 (krb5) RHSA-2010:0029 2010-01-12
Red Hat Enterprise Linux Extended Update Support 4.7 (krb5) RHSA-2010:0029 2010-01-12
Red Hat Enterprise Linux 5 (krb5) RHSA-2010:0029 2010-01-12
Red Hat Enterprise Linux EUS (v. 5.3 server) (krb5) RHSA-2010:0029 2010-01-12

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