AIX contains a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is triggered when the command lsfs is installed with the SUID bit and calls commands modified by an attacker. This flaw may lead to a loss of confidentiality and/or integrity.
Local Access Required
Loss of Confidentiality,
Loss of Integrity,
Loss of Availability
Apply APAR IY16909 patch or upgrade to AIX 5.1 as both have been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround:
Use the chmod -s command to remove the setuid bit from lsfs.
The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO
warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright
holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.