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CVE-2011-4063

Date: October 21, 2011

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.

Severity Score

Related Resources (10)

http://downloads.digium.com/pub/security/AST-2011-012.html
http://secunia.com/advisories/46420
http://www.securityfocus.com/archive/1/520141/100/0/threaded
http://www.securityfocus.com/bid/50177
http://securityreason.com/securityalert/8478
https://exchange.xforce.ibmcloud.com/vulnerabilities/70706
https://security-tracker.debian.org/tracker/CVE-2011-4063
https://nvd.nist.gov/vuln/detail/CVE-2011-4063
http://www.securitytracker.com/id?1026191
https://www.mend.io/vulnerability-database/CVE-2011-4063

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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