Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2012-4445

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
10/10/2012
Last modified:
11/04/2025

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:w1.fi:hostapd:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.6.4:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.6.5:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.6.6:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.6.7:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.7.0:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:1.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools