Vulnerability Description
Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd 0.6 through 1.0 allows remote attackers to cause a denial of service (crash or abort) via a small "TLS Message Length" value in an EAP-TLS message with the "More Fragments" flag set.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| W1.Fi | Hostapd | 0.6.0 |
Related Weaknesses (CWE)
References
- http://osvdb.org/86051
- http://secunia.com/advisories/50805Vendor Advisory
- http://secunia.com/advisories/50888Vendor Advisory
- http://w1.fi/gitweb/gitweb.cgi?p=hostap.git%3Ba=commitdiff%3Bh=586c446e0ff42ae00
- http://www.debian.org/security/2012/dsa-2557
- http://www.freebsd.org/security/advisories/FreeBSD-SA-12:07.hostapd.asc
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:168
- http://www.openwall.com/lists/oss-security/2012/10/08/3
- http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt
- http://www.securityfocus.com/bid/55826
- http://www.securitytracker.com/id?1027808
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79104
- http://osvdb.org/86051
- http://secunia.com/advisories/50805Vendor Advisory
- http://secunia.com/advisories/50888Vendor Advisory
FAQ
What is CVE-2012-4445?
CVE-2012-4445 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd 0.6 through 1.0 allows remote attackers to cause a den...
How severe is CVE-2012-4445?
CVE-2012-4445 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4445?
Check the references section above for vendor advisories and patch information. Affected products include: W1.Fi Hostapd.