CVE-2018-18689

{"id": "CVE-2018-18689", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2021-01-07T18:15:12.560", "references": [{"url": "https://pdf-insecurity.org/signature/evaluation_2018.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://pdf-insecurity.org/signature/signature.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.foxitsoftware.com/support/security-bulletins.php", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.pdfa.org/recently-identified-pdf-digital-signature-vulnerabilities/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://pdf-insecurity.org/signature/evaluation_2018.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://pdf-insecurity.org/signature/signature.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.foxitsoftware.com/support/security-bulletins.php", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.pdfa.org/recently-identified-pdf-digital-signature-vulnerabilities/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "The Portable Document Format (PDF) specification does not provide any information regarding the concrete procedure of how to validate signatures. Consequently, a Signature Wrapping vulnerability exists in multiple products. An attacker can use /ByteRange and xref manipulations that are not detected by the signature-validation logic. This affects Foxit Reader before 9.4 and PhantomPDF before 8.3.9 and 9.x before 9.4. It also affects eXpert PDF 12 Ultimate, Expert PDF Reader, Nitro Pro, Nitro Reader, PDF Architect 6, PDF Editor 6 Pro, PDF Experte 9 Ultimate, PDFelement6 Pro, PDF Studio Viewer 2018, PDF Studio Pro, PDF-XChange Editor and Viewer, Perfect PDF 10 Premium, Perfect PDF Reader, Soda PDF, and Soda PDF Desktop."}, {"lang": "es", "value": "La especificaci\u00f3n Portable Document Format (PDF) no proporciona ninguna informaci\u00f3n sobre el procedimiento concreto de c\u00f3mo comprobar las firmas. En consecuencia, se presenta una vulnerabilidad de Empaquetamiento de Firma en varios productos. Un atacante puede usar /ByteRange y manipulaciones xref que no son detectadas por la l\u00f3gica de comprobaci\u00f3n de firmas. Esto afecta a Foxit Reader versiones anteriores a 9.4 y PhantomPDF versiones anteriores a 8.3.9 y versiones 9.x anteriores a 9.4. Tambi\u00e9n afecta a eXpert PDF 12 Ultimate, Expert PDF Reader, Nitro Pro, Nitro Reader, PDF Architect 6, PDF Editor 6 Pro, PDF Experte 9 Ultimate, PDFelement6 Pro, PDF Studio Viewer 2018, PDF Studio Pro, PDF-XChange Editor and Viewer , Perfect PDF 10 Premium, Perfect PDF Reader, Soda PDF y Soda PDF Desktop"}], "lastModified": "2026-06-17T01:47:41.830", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:avanquest:expert_pdf_ultimate:12.0.20:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0998FDC0-7FC7-4A2C-993C-97BC76F27FBD"}, {"criteria": "cpe:2.3:a:avanquest:pdf_experte_ultimate:9.0.270:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CACE318F-ADDC-4B2F-8080-686C7430D12C"}, {"criteria": "cpe:2.3:a:foxitsoftware:foxit_reader:9.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07844440-3F26-40E1-A747-4642FBA9A9FA"}, {"criteria": "cpe:2.3:a:foxitsoftware:foxit_reader:9.2.0.9297:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C0777020-4D36-4651-84D8-561767558118"}, {"criteria": "cpe:2.3:a:foxitsoftware:foxit_reader:9.3.0.10826:*:*:*:*:*:*:*", "vulnerable": true, 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