Digium Asterisk Manager User Shell Command Execution (CVE-2012-2414)
|Check Point Reference:||CPAI-2012-336|
|Source:||Asterisk Advisory AST-2012-004|
|Protection Provided by:||
Who is Vulnerable?
Digium Asterisk Business Edition C.3.x prior to C.3.7.4
Digium Asterisk Open Source 1.6.x prior to 126.96.36.199
Digium Asterisk Open Source 1.8.x prior to 188.8.131.52
Digium Asterisk Open Source 10.x Prior to 10.3.1
A security bypass vulnerability has been reported in Digium Asterisk.
The vulnerability is due to an error in the way the server validates permissions while executing shell commands from unauthorized users. A remote attacker can exploit this issue by sending specially crafted AMI requests to the target. Successful exploitation could result in attacker-controlled script or shell command execution in the context of the target server.
This protection will detect and block attempts to exploit this vulnerability.
In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.
To configure the defense, select your product from the list below and follow the related protection steps.
Security Gateway R75 / R71 / R70
How Can I Protect My Network?
- In the IPS tab, click Protections and find the Digium Asterisk Manager User Shell Command Execution protection using the Search tool and Edit the protection's settings.
- Install policy on all modules.
How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: Web Server Enforcement Violation
Attack Information: Digium Asterisk Manager User Shell Command Execution