CVE-2012-3547

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-09-18 · updated 2026-06-16
Weakness: CWE-119

Description

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.

Affected products

freeradius: 2.1.10, 2.1.11, 2.1.12

References

http://archives.neohapsis.com/archives/bugtraq/2012-09/0043.html
http://freeradius.org/security.html
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
http://secunia.com/advisories/50584
http://secunia.com/advisories/50637
http://secunia.com/advisories/50770

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