Title: AIX snap Insecure Temporary File Creation Vulnerability
Severity: MODERATE
Description:
The snap command is a diagnostic utlitiy for gathering system information on AIX platforms. It can only be executed by root, but it copies various system files into /tmp/ibmsupt/ under /tmp/ibmsupt/general/ you will find the passwd file with cyphertext. The danger here is if a system administrator executes snap -a as sometimes requested by IBM support while diagnosing a problem it defeats password shadowing. /tmp/ibmsupt is created with 755 permissions they may carry out a symlink attack and gain access to the password file.
Affected Products:
- IBM AIX 3.2.5
- IBM AIX 4.1.0
- IBM AIX 4.1.2
- IBM AIX 4.1.3
- IBM AIX 4.1.4
- IBM AIX 4.1.5
- IBM AIX 4.2.0
- IBM AIX 4.2.1
References:
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