|Check Point Reference:||CPAI-2008-014|
|Date Published:||20 Jan 2008|
|Last Updated:||13 Jan 2016|
|Protection Provided by:||
|Who is Vulnerable?|
|Vulnerability Description||OpenSSL is an open-source implementation of the SSL protocol. The OpenSSL core library provides various utility functions.A buffer overflow vulnerability has been reported in the OpenSSL library. The vulnerability is due to an error in the OpenSSL SSL_get_shared_ciphers function that fails to properly handle specially crafted lists of ciphers. A remote attacker can exploit this issue by specially crafting a list of ciphers and sending it an affected server. Successful exploitation may allow execution of arbitrary code on the target host.|
This protection will detect and block any crafted list of ciphers sent to the affected server.
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 Protection Violation.
Attack Information: OpenSSL SSL_get_shared_ciphers Function Off-by-one Buffer Overflow