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Category:   Application (VPN)  >   OpenSSH Vendors:   OpenSSH.org
OpenSSH SSH2_MSG_NEWKEYS Null Pointer Dereference Lets Remote Users Deny Service
SecurityTracker Alert ID:  1036937
SecurityTracker URL:  http://securitytracker.com/id/1036937
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Oct 4 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in OpenSSH. A remote user can cause denial of service conditions on the target system.

A remote user can send a specially crafted SSH2_MSG_NEWKEYS message to trigger a null pointer dereference and cause denial of service conditions on the target system.

Robert Swiecki/honggfuzz reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.
Solution:   A source code fix is available at:

https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737

Vendor URL:  openssh.com/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents



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