Heap-based Buffer Overflow Vulnerability in Hostapd Authentication Server
CVE-2012-4445

Currently unrated

Key Information:

Vendor

W1.fi

Status
Hostapd
Vendor
CVE Published:
10 October 2012

What is CVE-2012-4445?

The authentication server in Hostapd versions 0.6 through 1.0 contains a heap-based buffer overflow vulnerability within the eap_server_tls_process_fragment function. This weakness permits remote attackers to exploit a small 'TLS Message Length' value in an EAP-TLS message marked with the 'More Fragments' flag, potentially leading to a denial of service through a crash or abrupt termination of the service. Addressing this vulnerability is critical for maintaining the integrity and availability of network services utilizing Hostapd.

References

http://w1.fi/gitweb/gitweb.cgi?p=hostap.git%3Ba=commitdif...
x_refsource_CONFIRM
http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2012/10/08/3
mailing-listx_refsource_MLIST

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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