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- 29 Feb 2024
Binary Exploitation for SPECIAL Occasions: Privilege Escalation in z/OS
This article explores a privilege escalation technique in z/OS mainframe systems by manipulating the Accessor Environment Element (ACEE). The technique involves creating an APF-authorized assembly program that modifies user flags in memory to gain SPECIAL privileges. The exploit demonstrates how low-level memory structures and system internals can be leveraged to escalate system access.