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/sbin/ifwatchd in BlackBerry QNX Neutrino RTOS versions 6.4.x and 6.5.x contains a vulnerability that allows local users to gain elevated privileges. The vulnerability exists because ifwatchd accepts an arbitrary program name as a command-line argument, which can be exploited to execute arbitrary code with elevated privileges.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit module (Ruby) for local privilege escalation on QNX Neutrino 6.4.x and 6.5.x systems. The exploit targets the SUID binary /sbin/ifwatchd, which allows execution of user-supplied scripts with root privileges due to improper privilege dropping when using the '-A' argument. The module writes a shell script to a writable directory (default: /tmp), which includes the attacker's payload (by default, a reverse shell using awk). It then executes ifwatchd with the script, resulting in arbitrary command execution as root. The module is weaponized, supporting customizable Metasploit payloads, and is suitable for use in post-exploitation scenarios where the attacker already has local access. The only fingerprintable endpoints are the /sbin/ifwatchd binary and the writable directory used for the script. The code is well-structured, leverages Metasploit's local exploit and file dropper mixins, and includes checks for SUID status and directory writability.
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