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KB-6016: OpenSSL Vulnerabilities (CVE-2014-3569 et al)

12 April,16 at 11:44 AM

Applies to: DirectControl 5.2.0+ 


Question: 

Is Centrify DirectControl affected by any of the following OpenSSL vulnerabilities? 
CVE-2014-3569, CVE-2014-3570, CVE-2014-3571, CVE-2014-3572, CVE-2014-8275, CVE-2015-0204, CVE-2015-0205, CVE-2015-0206

Answer: 

Centrify is not affected by any of the above vulnerabilities except for CVE-2015-0204, which presents a low risk concern for OpenSSH. However, since both client and server are from Centrify, such risk does not exist.

Please note that Centrify DirectControl's core functions use OpenSSL for libcrypto functions only and there are 3 minior areas of potential concern: 
  • Starting Server Suite 2015, ldap proxy supports LDAPS and it defaults to TLS. 
  • Auto-enrollment of certificate uses OpenSSL x509 verification to validate CA chain (Group Policy script).
  • DirectControl uses curl CLI to pull down CRL (Group Policy script).
In addition, there are two areas of concern for OpenSSH
  • Host key exchange.
  • Public key authentication.

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