Vulnerability CVE-2012-2947
Published: 2012-06-02

Description:
chan_iax2.c in the IAX2 channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1, when a certain mohinterpret setting is enabled, allows remote attackers to cause a denial of service (daemon crash) by placing a call on hold.

Type:

CWE-284

 (Improper Access Control)

CVSS2 => (AV:N/AC:H/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.6/10
2.9/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Digium -> Asterisk 
Digium -> Asteriske 
Digium -> Certified asterisk 
Debian -> Debian linux 
Asterisk -> Certified asterisk 
Asterisk -> Open source 

 References:
http://archives.neohapsis.com/archives/bugtraq/2012-05/0144.html
http://downloads.asterisk.org/pub/security/AST-2012-007.html
http://www.debian.org/security/2012/dsa-2493
http://www.securitytracker.com/id?1027102
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