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Category:   OS (UNIX)  >   IBM AIX Vendors:   IBM
IBM AIX diagela Absolute Path Vulnerability Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1015212
SecurityTracker URL:  http://securitytracker.com/id/1015212
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Updated:  Dec 16 2005
Original Entry Date:  Nov 15 2005
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.1, 5.2, 5.3
Description:   A vulnerability was reported in IBM AIX in the Automatic Error Log Analysis (diagela) command. A local user can obtain elevated privileges.

The '/usr/lpp/diagnostics/bin/diagela.sh' command has a security vulnerability related to the specification of (or lack of specification of) an absolute path. A local user that is in the system group and that has the RunDiagnostics role can execute arbitrary code on the target system.

IBM indicates that exploit code is publicly available.

Impact:   A local user in the system group with the RunDiagnostics role can execute arbitrary code on the target system.
Solution:   IBM plans to issue the following fixes:

APAR number for AIX 5.1.0: IY78926 (available approx. 01/18/06)
APAR number for AIX 5.2.0: IY78800 (available approx. 01/30/06)
APAR number for AIX 5.3.0: IY78801 (available approx. 01/30/06)

An Interim Fix is available at:

ftp://aix.software.ibm.com/aix/efixes/security/diagela_ifix.tar.Z

The vendor's advisories are available at:

http://www-1.ibm.com/support/docview.wss?uid=isg1IY78800
http://www-1.ibm.com/support/docview.wss?uid=isg1IY78801

Vendor URL:  www-1.ibm.com/support/docview.wss?uid=isg1IY78800 (Links to External Site)
Cause:   Not specified

Message History:   None.


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