Title: QNX 'ptrace()' Arbitrary Process Modification Vulnerability
Severity: MODERATE
Description:
QNX RTOS is a realtime operating system designed for use on embedded systems. It is distributed and maintained by QNX Software Systems.
A vulnerability has been reported in the QNX implementation of 'ptrace()'.
The 'ptrace()' system call allows for one process to attach to another and edit/inspect its memory, set breakpoints, and perform other operations related to debugging. The QNX implementation of this mechanism is reportedly insecure. An unprivileged process may attach to a setuid program without restriction. Since the attaching process may view or edit memory, an attacker may exploit this issue to escalate privileges.
This issue affects QNX RTOS 6 prior to 6.4.0.
Affected Products:
- QNX RTOS 6.1.0.0
- QNX RTOS 6.2.0.0
- QNX RTOS 6.2.0.0 Update Patch A
- QNX RTOS 6.2.1
- QNX RTOS 6.3.0
- QNX RTOS 6.3.0 SP3
- QNX RTOS 6.3.2
References:
- QNX Software Systems Ltd.: QNX Home Page
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