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CVE-2022-4510 is a path traversal vulnerability in ReFirm Labs Binwalk versions 2.1.2b through 2.3.3, inclusive. The PFS filesystem extraction implementation does not adequately constrain archive entry paths during extraction. A crafted PFS filesystem processed with Binwalk's extraction mode can therefore cause files to be written outside the intended extraction directory. An attacker can use this arbitrary file-write primitive to install a malicious Binwalk plugin, which can result in code execution when the plugin is loaded.
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2 valid exploits after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a Python script (BadPfs.py) and a README.md. The script generates a malicious .pfs file designed to exploit CVE-2022-4510, a path traversal vulnerability in binwalk's extraction logic. By specifying a target file (such as /etc/shadow or /etc/sudoers) and attacker-controlled data, the script crafts a payload that, when processed by binwalk with the -e option, will overwrite the specified file with the provided data. This can be used for local privilege escalation if a privileged file is overwritten. The exploit is a proof-of-concept and requires local access to the system and the ability to run binwalk. The README provides usage instructions and an example command. No network endpoints are present; the attack is purely local and targets file paths on the system.
This repository contains a single exploit script, RCE_Binwalk.py, targeting CVE-2022-4510 in Binwalk versions 2.1.2b through 2.3.2. The script generates a malicious PNG file (binwalk_exploit.png) by embedding a crafted Binwalk plugin into a user-supplied PNG. When a vulnerable Binwalk instance processes this file, the plugin is executed, which attempts to connect back to an attacker-controlled netcat listener (specified by IP and port) and spawns a reverse shell (/bin/bash). The exploit uses temporary files in /tmp (such as /tmp/.binwalk and /tmp/plugin) to manage execution state and payload delivery. The repository is structured simply, with only the exploit script and a license file. The exploit is operational and provides a working reverse shell if the target is vulnerable and the attacker has a listener set up.
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2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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