|Check Point Reference:||CPAI-2010-355|
|Date Published:||16 Sep 2010|
|Last Updated:||20 Nov 2017|
|Protection Provided by:||
|Who is Vulnerable?|
|Vulnerability Description||OpenSSL is an open-source library that implements Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocol functionality.A memory corruption vulnerability has been reported in OpenSSL library. The vulnerability is due to an error in ssl3_get_key_exchange function while handling server key exchange message. If a certificate structure contains a crafted value, the vulnerable code could cause a double-free error. A remote attacker could exploit this issue by enticing the target user to connect to a malicious server using a vulnerable version of the OpenSSL library. Successful exploitation of this vulnerability may allow arbitrary code execution with the privileges of the application using the OpenSSL library.|
This protection will detect and block attempts to exploit this vulnerability.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update.For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.
This protection's log will contain the following information:
Attack Name: OpenSSL Enforcement Violation.
Attack Information: OpenSSL ssl3_get_key_exchange Use-After-Free Memory Corruption