A local overflow exists in IBM AIX. The putlvcb command fails to validate input resulting in a possible buffer overflow. With a specially crafted request, an attacker can cause arbitrary command execution resulting in a loss of confidentiality and/or integrity.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Confidentiality,
Loss of Integrity
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Technical
An attacker must have 'system' group access to exploit these vulnerabilities.
Solution
Upgrade AIX using the APAR numbers AIX 5.1.0: IY55681 and AIX 5.2.0: IY55682 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
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