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Category:   Application (Generic)  >   Oracle VM VirtualBox Vendors:   Oracle
(Oracle Issues Fix for Oracle VM VirtualBox) OpenSSL DH Parameter Processing Lets Remote Servers Deny Service on Connected Clients
SecurityTracker Alert ID:  1041886
SecurityTracker URL:  http://securitytracker.com/id/1041886
CVE Reference:   CVE-2018-0732   (Links to External Site)
Date:  Oct 16 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in OpenSSL. A remote user can cause denial of service conditions on the target system. Oracle VM VirtualBox is affected.

A remote server can return a large DH parameter prime value to the connected client during key agreement in a TLS handshake using a DH(E) based cipher suite to cause the client to hang while spending a long period of time generating a key for this prime.

The vendor was notified on June 5, 2018.

Guido Vranken reported this vulnerability.

Impact:   A remote server can cause denial of service conditions on the connected client.
Solution:   Oracle has issued a fix for CVE-2018-0732 for Oracle VM VirtualBox.

The Oracle advisory is available at:

https://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

Vendor URL:  www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html (Links to External Site)
Cause:   Resource error

Message History:   This archive entry is a follow-up to the message listed below.
Jun 12 2018 OpenSSL DH Parameter Processing Lets Remote Servers Deny Service on Connected Clients



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