IBM AIX versions 5.3 sp6 and below ftp gets() local root exploit.
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iDefense Security Advisory 07.26.07 - Local exploitation of multiple buffer overflow vulnerabilities in the 'ftp' program, as included with IBM Corp.'s AIX operating system, allow an attacker to execute arbitrary code with root privileges. iDefense has confirmed the existence of this vulnerability in AIX version 5.3 with service pack 6. Previous versions may also be affected.
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