A local overflow exists in IBM AIX. The nslookup utility fails to validate input resulting in a buffer overflow. With a specially crafted request, an attacker can cause the execution of arbitrary code, but not with escalated privileges. Impact is low risk.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity,
Impact Unknown
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Upgrade AIX using the APAR numbers AIX 4.3.3:IY40519, AIX 5.1: IY39985 and AIX 5.2: IY39992 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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