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Category:   Application (VPN)  >   OpenSSH Vendors:   OpenSSH.org
(IBM Issues Fix for IBM AIX) OpenSSH DNS SSH Fingerprint Record Check Can Be Bypassed By Remote Users
SecurityTracker Alert ID:  1030441
SecurityTracker URL:  http://securitytracker.com/id/1030441
CVE Reference:   CVE-2014-2653   (Links to External Site)
Date:  Jun 18 2014
Impact:   Host/resource access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.6
Description:   A vulnerability was reported in OpenSSH. A remote user can bypass checks for SSHFP records.

A remote server can return a HostCertificate. If the target user's client does not accept the HostCertificate, the client will fail to check for SSH fingerprint (SSHFP) records.

Impact:   A remote user can bypass checks for SSHFP records.
Solution:   IBM has issued a fix for IBM AIX.

The IBM advisory is available at:

https://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc

Vendor URL:  www.openssh.org/ (Links to External Site)
Cause:   Access control error
Underlying OS:  UNIX (AIX)
Underlying OS Comments:  5.3, 6.1, 7.1

Message History:   This archive entry is a follow-up to the message listed below.
Mar 28 2014 OpenSSH DNS SSH Fingerprint Record Check Can Be Bypassed By Remote Users



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