Resource management error in Asterisk Open Source - CVE-2012-3812

 

Resource management error in Asterisk Open Source - CVE-2012-3812

Published: July 10, 2012 / Updated: July 28, 2020


Vulnerability identifier: #VU32783
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2012-3812
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Digium (Linux Support Services)
Affected software:
Asterisk Open Source

Detailed vulnerability description

The vulnerability allows a remote #AU# to perform service disruption.

Double free vulnerability in apps/app_voicemail.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones allows remote authenticated users to cause a denial of service (daemon crash) by establishing multiple voicemail sessions and accessing both the Urgent mailbox and the INBOX mailbox.


How to mitigate CVE-2012-3812

Install update from vendor's website.

Sources