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CVE
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CVE-2011-4063Date: (C)2011-10-21   (M)2018-02-19


chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 6.8
Exploit Score: Exploit Score: 8.0
Impact Score: Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: SINGLE_INSTANCE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: COMPLETE
Integrity:  
Availability:  
  
Reference:
SECTRACK-1026191
http://www.securityfocus.com/archive/1/archive/1/520141/100/0/threaded
SECUNIA-46420
BID-50177
SREASON-8478
asterisk-sip-channel-driver-dos(70706)
http://downloads.digium.com/pub/security/AST-2011-012.html

CWE    1
CWE-20

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