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CVE
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CVE-2012-4445Date: (C)2012-10-10   (M)2018-06-02


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 4.3
Exploit Score: Exploit Score: 8.6
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: MEDIUM
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
SECTRACK-1027808
SECUNIA-50805
SECUNIA-50888
BID-55826
OSVDB-86051
DSA-2557
FreeBSD-SA-12:07
MDVSA-2012:168
http://www.openwall.com/lists/oss-security/2012/10/08/3
hostapd-eaptls-dos(79104)
http://w1.fi/gitweb/gitweb.cgi?p=hostap.git;a=commitdiff;h=586c446e0ff42ae00315b014924ec669023bd8de
http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt

CPE    12
cpe:/a:w1.fi:hostapd:0.6.6
cpe:/a:w1.fi:hostapd:0.6.5
cpe:/a:w1.fi:hostapd:0.6.4
cpe:/a:w1.fi:hostapd:0.6.3
...
CWE    1
CWE-119
OVAL    4
oval:org.secpod.oval:def:600897
oval:org.secpod.oval:def:104231
oval:org.secpod.oval:def:104237
oval:org.secpod.oval:def:302976
...

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