CVE-2012-3547
MEDIUM · CVSS 6.8EPSS 5.7%EU EUVD
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 5.7% (93th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-3494)
- Published
- September 18, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-3494 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- freeradius / freeradius
- freeradius / freeradius
- freeradius / freeradius
References
- http://archives.neohapsis.com/archives/bugtraq/2012-09/0043.html
- http://freeradius.org/security.html(Vendor Advisory)
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090171.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00023.html
- http://osvdb.org/85325
- http://rhn.redhat.com/errata/RHSA-2012-1326.html
- http://rhn.redhat.com/errata/RHSA-2012-1327.html
- http://secunia.com/advisories/50484(Vendor Advisory)
- http://secunia.com/advisories/50584(Vendor Advisory)
- http://secunia.com/advisories/50637
- http://secunia.com/advisories/50770
- http://www.debian.org/security/2012/dsa-2546
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:159
- http://www.openwall.com/lists/oss-security/2012/09/10/2
- http://www.pre-cert.de/advisories/PRE-SA-2012-06.txt
- http://www.securityfocus.com/bid/55483
- http://www.securitytracker.com/id?1027509
- http://www.ubuntu.com/usn/USN-1585-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78408
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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