Public Date:
2011-A-0066, 2011-A-0147
648734: CVE-2010-1323 krb5: incorrect acceptance of certain checksums (MITKRB5-SA-2010-007)

The MITRE CVE dictionary describes this issue as:

MIT Kerberos 5 (aka krb5) 1.3.x, 1.4.x, 1.5.x, 1.6.x, 1.7.x, and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to modify user-visible prompt text, modify a response to a Key Distribution Center (KDC), or forge a KRB-SAFE message via certain checksums that (1) are unkeyed or (2) use RC4 keys.

Find out more about CVE-2010-1323 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 2.6
Base Metrics AV:N/AC:H/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None

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 6 (krb5) RHSA-2010:0925 2010-11-30
Red Hat Enterprise Linux 5 (krb5) RHSA-2010:0926 2010-11-30
Red Hat Enterprise Linux 4 (krb5) RHSA-2010:0926 2010-11-30


Red Hat would like to thank the MIT Kerberos Team for reporting this issue.

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