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CVE Database

CVE-2012-3547

Impact: Moderate
Public: 2012-09-10
Bugzilla: 852752: CVE-2012-3547 freeradius: stack-based buffer overflow via long expiration date fields in client X509 certificates

Details

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 and NIST NVD.

CVSS v2 metrics

Base Score: 2.3
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 October 02, 2012
Red Hat Enterprise Linux version 6 (freeradius) RHSA-2012:1326 October 02, 2012

External References

Acknowledgements

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

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.