Update Protection against OpenSSL SSL_get_shared_ciphers Function Buffer Overflow Vulnerability
| Check Point Reference: | CPAI-2008-014 | |
| Date Published: | ||
| Severity: | ||
| Source: | FrSIRT/ADV-2007-3325 | |
| Industry Reference(s): | CVE-2006-3738 CVE-2007-5135 |
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| Protection Provided by: |
VPN-1
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| Who is Vulnerable? OpenSSL Project OpenSSL 0.9.7m and prior OpenSSL Project OpenSSL 0.9.8e and prior | ||
| Vulnerability Description A buffer overflow vulnerability has been reported in the OpenSSL library. OpenSSL is an open-source implementation of the SSL protocol. The OpenSSL core library provides various utility functions. Successful exploitation of this vulnerability may allow an attacker to execute arbitrary code on a target system. |
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Vulnerability Details 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. |
Protection Overview
By enabling this protection, SmartDefense will detect and block any crafted list of ciphers sent to the affected server.
In order for the protection to be activated, update your VPN-1/InterSpect/Connectra product to the latest SmartDefense update. For information on how to update SmartDefense, 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.