CVE-2012-4445 Memory corruption in n/a
Remote attackers can crash the hostapd EAP authentication server via a malformed EAP-TLS message, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-4445?
CVE-2012-4445 is a medium-severity memory corruption vulnerability in n/a, published on 10 Oct 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-119
Which versions are affected by CVE-2012-4445?
It affects 1 product.
Products include W1.fi Hostapd.
How do I fix CVE-2012-4445?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2012-4445 being exploited?
There is no known exploitation of CVE-2012-4445 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2012-4445, DSA-2557-1, GHSA-2hh4-7m9c-h6f2.