Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freeradius | Freeradius | 2.1.10 |
Related Weaknesses (CWE)
References
- http://archives.neohapsis.com/archives/bugtraq/2012-09/0043.html
- http://freeradius.org/security.htmlVendor Advisory
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090171.ht
- 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/50484Vendor Advisory
- http://secunia.com/advisories/50584Vendor 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
FAQ
What is CVE-2012-3547?
CVE-2012-3547 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 ...
How severe is CVE-2012-3547?
CVE-2012-3547 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-3547?
Check the references section above for vendor advisories and patch information. Affected products include: Freeradius Freeradius.