CVE-2012-4737: Medium severity asterisk vulnerability
channels/chaniax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-4737?
CVE-2012-4737 is classified as a high severity vulnerability that allows unauthorized access due to weak ACL enforcement in Asterisk.
How do I fix CVE-2012-4737?
To fix CVE-2012-4737, upgrade Asterisk to version 1.8.15.1 or later, or 10.7.1 or later, as these versions contain the necessary security patches.
What versions of Asterisk are affected by CVE-2012-4737?
CVE-2012-4737 affects Asterisk versions 1.8.x before 1.8.15.1, 10.x before 10.7.1, and several Certified Asterisk versions prior to the patched releases.
What type of vulnerability is CVE-2012-4737?
CVE-2012-4737 is an access control vulnerability that fails to properly enforce ACL rules, potentially allowing unauthorized users to access sensitive resources.
Who is impacted by CVE-2012-4737?
Organizations using affected versions of Asterisk are at risk from CVE-2012-4737, particularly those with misconfigured ACL settings.