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

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Main Vulnerability Database Vulnerabilities #VU32783

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: 5.1 [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]
CVE-ID: CVE-2012-3812
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Asterisk Open Source
asterisk (Alpine package)

How to mitigate CVE-2012-3812

Install update from vendor's website.

Asterisk Open Source - update to 10.5.2
asterisk (Alpine package) - update to 10.5.2-r0

External References

Related Security Bulletins