{"id":"CVE-2012-4445","aliases":["DEBIAN-CVE-2012-4445","DSA-2557-1","EUVD-2012-4378","GHSA-2hh4-7m9c-h6f2"],"status":"published","title":"Heap-based buffer overflow in the eap_server_tls_process_fragment function in...","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.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0422,"percentile":0.91058,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2012-10-08T00:00:00Z","modified":"2026-10-23T17:47:45Z","fixes":[{"ecosystem":"Debian:12","package":"wpa","fixed_in":["1.0-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wpa","fixed_in":["1.0-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wpa","fixed_in":["1.0-3"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"hostapd","fixed_in":["1:0.6.10-2+squeeze1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0-3"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"hostapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.6.10-2+squeeze1"}]}],"versions":["1:0.6.10-2"]}],"products":[{"vendor":"w1.fi","product":"hostapd"}],"references":[{"url":"http://w1.fi/gitweb/gitweb.cgi?p=hostap.git%3Ba=commitdiff%3Bh=586c446e0ff42ae00315b014924ec669023bd8de","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt","tags":["x_refsource_MISC","x_transferred","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/10/08/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://secunia.com/advisories/50805","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.debian.org/security/2012/dsa-2557","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.securitytracker.com/id?1027808","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:168","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://osvdb.org/86051","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/55826","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.freebsd.org/security/advisories/FreeBSD-SA-12:07.hostapd.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/79104","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/50888","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4445"},{"url":"http://w1.fi/gitweb/gitweb.cgi?p=hostap.git;a=commitdiff;h=586c446e0ff42ae00315b014924ec669023bd8de"},{"url":"https://github.com/advisories/GHSA-2hh4-7m9c-h6f2"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-4445","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-4445","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.","status":"published","published":"2012-10-10T18:00:00Z","modified":"2024-08-06T20:35:09.94Z","updated_at":"2026-11-02T14:34:51.584538Z"}],"euvd":[{"id":"EUVD-2012-4378","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.","status":"published","published":"2012-10-10T18:00:00Z","modified":"2024-08-06T20:35:09Z","updated_at":"2026-11-03T01:56:07.912368Z"}],"ghsa":[{"id":"GHSA-2hh4-7m9c-h6f2","title":"Heap-based buffer overflow in the eap_server_tls_process_fragment function in...","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.","status":"published","published":"2022-05-17T01:41:59Z","modified":"2023-02-21T05:06:43Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:54:12.44657Z"}],"nvd":[{"id":"CVE-2012-4445","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.","status":"published","published":"2012-10-10T18:55:04.377Z","modified":"2026-06-16T23:45:06.79Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:16.115119Z"}],"osv":[{"id":"CVE-2012-4445","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.","status":"published","published":"2012-10-10T18:55:04Z","modified":"2026-04-10T03:42:29.318597Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-4445","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.","status":"published","published":"2012-10-10T18:55:04.377Z","modified":"2026-10-23T17:47:45.475613253Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"DSA-2557-1","title":"hostapd - denial of service","status":"published","published":"2012-10-08T00:00:00Z","modified":"2026-03-09T01:17:52.271302Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}