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Category:   Application (Database)  >   Oracle Database Vendors:   Oracle
Oracle Database Lets Remote Users Hijack TNS Listener Instance Connections
SecurityTracker Alert ID:  1027000
SecurityTracker URL:
CVE Reference:   CVE-2012-1675   (Links to External Site)
Date:  May 2 2012
Impact:   User access via network
Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s):,,,,,; and prior versions
Description:   A vulnerability was reported in Oracle Database. A remote user can hijack database instance connections.

A remote user can connect to the TNS Listener and register an already registered instance to cause the target TNS Listener to route connections to the remote user's database server.

Joxean Koret reported this vulnerability.

Impact:   A remote user can hijack database instance connections.
Solution:   No solution was available at the time of this entry.

The vendor has issued recommendations in the following support notes:

- My Oracle Support Note 1340831.1 for Oracle Database deployments that use Oracle Real Application Clusters (RAC):

- My Oracle Support Note 1453883.1 for Oracle Database deployments that do not use RAC

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (AIX), UNIX (HP/UX), UNIX (Solaris - SunOS), UNIX (Tru64), Windows (NT), Windows (2000), Windows (2003), Windows (2008), Windows (Vista), Windows (XP)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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