CVE-2012-4445

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Summary

CVECVE-2012-4445
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-10-10 18:55:04 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionHeap-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.

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

AV:N/AC:M/Au:N/C:N/I:N/A:P

Problem Types: CWE-119 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:M/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application W1.fi Hostapd 0.6.0 All All All
Application W1.fi Hostapd 0.6.1 All All All
Application W1.fi Hostapd 0.6.2 All All All
Application W1.fi Hostapd 0.6.3 All All All
Application W1.fi Hostapd 0.6.4 All All All
Application W1.fi Hostapd 0.6.5 All All All
Application W1.fi Hostapd 0.6.6 All All All
Application W1.fi Hostapd 0.6.7 All All All
Application W1.fi Hostapd 0.7.0 All All All
Application W1.fi Hostapd 0.7.1 All All All
Application W1.fi Hostapd 0.7.2 All All All
Application W1.fi Hostapd 0.7.3 All All All
Application W1.fi Hostapd 1.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
osvdb.org/86051 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
oss-security - [PRE-SA-2012-07] hostapd: Missing EAP-TLS message length validation af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Security Advisory SA50805 - Debian update for hostapd - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Debian -- Security Information -- DSA-2557-1 hostapd af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Support / Security / Advisories / / MDVSA-2012:168 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
404 Not Found af854a3a-2127-422b-91ae-364da2661108 w1.fi
www.pre-cert.de/advisories/PRE-SA-2012-07.txt af854a3a-2127-422b-91ae-364da2661108 www.pre-cert.de
www.freebsd.org/security/advisories/FreeBSD-SA-12:07.hostapd.asc af854a3a-2127-422b-91ae-364da2661108 www.freebsd.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Security Advisory SA50888 - hostapd EAP-TLS Message Handling Denial of Service Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
504 Gateway Time-out af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
FreeBSD hostapd Validation Flaw Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
403 Forbidden MITRE w1.fi
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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