Public Date:
852752: CVE-2012-3547 freeradius: stack-based buffer overflow via long expiration date fields in client X509 certificates

The MITRE CVE dictionary describes this issue as:

Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS 2.1.10 through 2.1.12, when using TLS-based EAP methods, allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via a long "not after" timestamp in a client certificate.

Find out more about CVE-2012-3547 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 5
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

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 version 5 (freeradius2) RHSA-2012:1327 2012-10-02
Red Hat Enterprise Linux version 6 (freeradius) RHSA-2012:1326 2012-10-02

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 freeradius Not affected


Red Hat would like to thank Timo Warns of PRESENSE Technologies GmbH for reporting this issue.