CVE-2012-4445: w1.fi hostapd

Vulnerability summary

CVE-2012-4445 is a medium (CVSS 4.3) vulnerability in w1.fi hostapd. EPSS estimates a 4.22% chance of exploitation in the next 30 days, higher than 90.8% of scored vulnerabilities.

Timeline

1. 10-10-2012
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.