CVE-2011-4063

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.

Published Bycve@mitre.org

Published DateOct 21, 2011, 10:55

Weakness Type (CWE):CWE-20

CVSS Metrics

Base Score

6.8

Vector String

AV:N/AC:L/Au:S/C:N/I:N/A:C

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

COMPLETE

References

http://downloads.digium.com/pub/security/AST-2011-012.html
http://secunia.com/advisories/46420
http://securityreason.com/securityalert/8478
http://www.securityfocus.com/archive/1/520141/100/0/threaded
http://www.securityfocus.com/bid/50177
http://www.securitytracker.com/id?1026191
https://exchange.xforce.ibmcloud.com/vulnerabilities/70706

Weakness Type (CWE):CWE-20

CVSS Metrics

Base Score

6.8

Vector String

AV:N/AC:L/Au:S/C:N/I:N/A:C

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

COMPLETE