Title: IBM AIX MUXATMD Local Buffer Overflow Vulnerability
Severity: HIGH
Description:
muxatmd is a utility included in the devices.common.IBM.atm.rte fileset.
IBM AIX muxatmd is prone to a local buffer overflow vulnerability. This issue arises because the application fails to perform boundary checks prior to copying user-supplied data into insufficiently-sized memory buffers.
It is conjectured that this issue presents itself when the application processes excessive data supplied through command line arguments; this has not been confirmed. An attacker supplies data containing replacement memory addresses and arbitrary machine code to the affected application to corrupt process memory and execute code.
A successful attack allows arbitrary machine code execution with superuser privileges, due to the affected application being installed with setuid-superuser privileges.
Affected Products:
- IBM AIX 5.1.0
- IBM AIX 5.1.0 L
- IBM AIX 5.2
- IBM AIX 5.2.0 L
- IBM AIX 5.2.2
- IBM AIX 5.3
- IBM AIX 5.3.0 L
References:
- IBM: AIX Homepage
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