{ "document": { "acknowledgments": [ { "organization": "CERT@VDE", "summary": "coordination", "urls": [ "https://certvde.com" ] } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en-GB", "notes": [ { "category": "summary", "text": "PAS4000 is the software platform for the Automation System PSS 4000. PAS 4000 does not properly check pathnames contained in archives. An attacker can utilise this vulnerability to write arbitrary files, potentially leading to code execution.", "title": "Summary" }, { "category": "description", "text": "PAS 4000 uses ZIP archives to save and load project backups and libraries. Also, ZIP archives are used as a container for firmware updates. \n\nWhen loading a ZIP archive the contained pathnames are not checked properly for relative path components. If a user loads a manipulated ZIP archive, the vulnerability can be used to place potentially malicious files outside of the application's working directory. \n\nDepending on the user's privileges this can lead to code execution.", "title": "Impact" }, { "category": "description", "text": "Install the fixed version as soon as it is available. Please visit the Pilz Shop (www.pilz.com/en-INT/eshop) to check for the fixed version", "title": "Remediation" }, { "title": "General Countermeasures", "category": "general", "text": "Do not use .zip or .par files from untrusted sources. If you need to load a file from an\nuntrusted source, please contact your local Pilz support." } ], "publisher": { "contact_details": "security@pilz.com", "name": "Pilz GmbH & Co. KG", "namespace": "https://www.pilz.com", "category": "vendor" }, "references": [ { "category": "self", "summary": "VDE-2022-045: Pilz: PAS 4000 prone to ZipSlip - HTML", "url": "https://certvde.com/en/advisories/VDE-2022-045/" }, { "category": "self", "summary": "VDE-2022-045: Pilz: PAS 4000 prone to ZipSlip - CSAF", "url": "https://pilz.csaf-tp.certvde.com/.well-known/csaf/white/2022/vde-2022-045.json" }, { "category": "external", "summary": "Vendor PSIRT", "url": "https://www.pilz.com" }, { "category": "external", "summary": "CERT@VDE Security Advisories for Pilz GmbH & Co. KG", "url": "https://certvde.com/en/advisories/vendor/pilz/" } ], "title": "Pilz: PAS 4000 prone to ZipSlip", "tracking": { "aliases": [ "VDE-2022-045" ], "current_release_date": "2025-05-22T13:03:10.000Z", "generator": { "date": "2025-05-05T12:03:38.525Z", "engine": { "name": "Secvisogram", "version": "2.5.24" } }, "id": "VDE-2022-045", "initial_release_date": "2022-11-24T09:00:00.000Z", "revision_history": [ { "date": "2022-11-24T09:00:00.000Z", "number": "1", "summary": "Initial revision." }, { "number": "2", "summary": "Fix: quotation mark", "date": "2025-05-22T13:03:10.000Z" } ], "status": "final", "version": "2" } }, "product_tree": { "branches": [ { "name": "Pilz", "category": "vendor", "branches": [ { "name": "Software", "category": "product_family", "branches": [ { "name": "PAS4000", "category": "product_name", "branches": [ { "name": "<1.25.0", "category": "product_version_range", "product": { "name": "PAS4000 <1.25.0", "product_id": "CSAFPID-51001" } } ] } ] } ] } ] }, "vulnerabilities": [ { "cve": "CVE-2022-40976", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "A path traversal vulnerability was discovered in multiple Pilz products. An unauthenticated local attacker could use a zipped, malicious configuration file to trigger arbitrary file writes ('zip-slip'). File writes do not affect confidentiality or availability.", "title": "Vulnerability Description" } ], "product_status": { "known_affected": [ "CSAFPID-51001" ] }, "remediations": [ { "category": "vendor_fix", "details": "Install the fixed version as soon as it is available. Please visit the Pilz Shop (www.pilz.com/en-INT/eshop) to check for the fixed version", "product_ids": [ "CSAFPID-51001" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "environmentalScore": 5.5, "environmentalSeverity": "MEDIUM", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "temporalScore": 5.5, "temporalSeverity": "MEDIUM", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1" }, "products": [ "CSAFPID-51001" ] } ], "title": "CVE-2022-40976" }, { "cve": "CVE-2018-1002202", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.", "title": "Vulnerability Description" } ], "product_status": { "known_affected": [ "CSAFPID-51001" ] }, "remediations": [ { "category": "vendor_fix", "details": "Install the fixed version as soon as it is available. Please visit the Pilz Shop (www.pilz.com/en-INT/eshop) to check for the fixed version", "product_ids": [ "CSAFPID-51001" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "environmentalScore": 6.5, "environmentalSeverity": "MEDIUM", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "temporalScore": 6.5, "temporalSeverity": "MEDIUM", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.0" }, "products": [ "CSAFPID-51001" ] } ], "title": "CVE-2018-1002202" } ] }