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Category:   Device (Firewall)  >   Fortinet FortiGate/FortiOS Vendors:   Fortinet
Fortinet FortiGate/FortiOS Weak Encryption Lets Remote Users Decrypt and Modify Data
SecurityTracker Alert ID:  1033092
SecurityTracker URL:  http://securitytracker.com/id/1033092
CVE Reference:   CVE-2015-2323   (Links to External Site)
Date:  Jul 28 2015
Impact:   Disclosure of system information, Disclosure of user information, Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.0.0 to 5.0.11, 5.2.0 to 5.2.3
Description:   A vulnerability was reported in Fortinet FortiGate/FortiOS. A remote user can access and modify data communicated by the target system.

The system uses weak encryption ciphers (e.g., anonymous, export, RC4) when communicating to a FortiGuard server via TLS. A remote user with the ability to conduct a man-in-the-middle attack may be able to decrypt and modify TLS session data.

The Citrix Security Team reported this vulnerability.

Impact:   A remote user can access and modify data communicated by the target system.
Solution:   The vendor has issued a fix (5.0.12, 5.2.4).

The vendor's advisory is available at:

http://www.fortiguard.com/advisory/FG-IR-15-021/

Vendor URL:  www.fortiguard.com/advisory/FG-IR-15-021/ (Links to External Site)
Cause:   Access control error

Message History:   None.


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