Vulnerability CVE-2014-8416


Published: 2014-11-24

Description:
Use-after-free vulnerability in the PJSIP channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1, when using the res_pjsip_refer module, allows remote attackers to cause a denial of service (crash) via an in-dialog INVITE with Replaces message, which triggers the channel to be hung up.

Type:

CWE-20

(Improper Input Validation)

Vendor: Asterisk
Product: Asterisk 
Version: 13.0.0; 12.7.0;
Vendor: Digium
Product: Asterisk 
Version:
13.0.0
12.7.0
12.6.1
12.6.0
12.5.1
12.5.0
12.4.0
12.3.2
12.3.1
12.3.0
12.2.0
12.1.1
12.1.0
12.0.0

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

 References:
http://downloads.asterisk.org/pub/security/AST-2014-016.html

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