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Category:   OS (UNIX)  >   IBM AIX Vendors:   IBM
IBM AIX HACMP File Permission Bug Lets Local Users Modify Temporary Files
SecurityTracker Alert ID:  1019482
SecurityTracker URL:  http://securitytracker.com/id/1019482
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Feb 22 2008
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 5.1; HACMP 5.4 PTF2
Description:   A vulnerability was reported in IBM AIX's High Availability Cluster Multi-Processing environment. A local user can modify certain temporary files on the target system.

The system creates temporary files '/tmp/run_clappmond.err.<monitor_id>' with unsafe permissions. Any user can modify the files.

[Editor's note: The vendor did not indicate whether a symlink privilege escalation attack is possible or not.]

Impact:   A local user can modify certain temporary files on the target system.
Solution:   The vendor has issued a fix (IZ11121 and IZ15917).

The IBM advisories are available at:

http://www-1.ibm.com/support/docview.wss?uid=isg1IZ11121
http://www-1.ibm.com/support/docview.wss?uid=isg1IZ15917

Vendor URL:  www.ibm.com/ (Links to External Site)
Cause:   Access control error

Message History:   None.


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