Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Avanquest | Expert Pdf Ultimate | 12.0.20 |
| Avanquest | Pdf Experte Ultimate | 9.0.270 |
| Foxitsoftware | Foxit Reader | 9.1.0 |
| Gonitro | Nitro Pro | 11.0.3.173 |
| Gonitro | Nitro Reader | 5.5.9.2 |
| Iskysoft | Pdf Editor 6 | 6.4.2.3521 |
| Iskysoft | Pdfelement6 | 6.8.0.3523 |
| Pdf-Xchange | Pdf-Xchange Editor | 7.0.237.1 |
| Pdfforge | Pdf Architect | 6.0.37 |
| Qoppa | Pdf Studio | 12.0.7 |
| Qoppa | Pdf Studio Viewer 2018 | 2018.0.1 |
| Sodapdf | Soda Pdf | 9.3.17 |
| Sodapdf | Soda Pdf Desktop | 10.2.09 |
| Soft-Xpansion | Perfect Pdf 10 | 10.0.0.1 |
| Soft-Xpansion | Perfect Pdf Reader | 13.0.3 |
| Tracker-Software | Pdf-Xchange Viewer | 2.5 |
| Visagesoft | Expert Pdf Reader | 9.0.180 |
| Microsoft | Windows | - |
| Apple | Macos | - |
| Linux | Linux Kernel | - |
Related Weaknesses (CWE)
References
- https://pdf-insecurity.org/signature/evaluation_2018.htmlThird Party Advisory
- https://pdf-insecurity.org/signature/signature.htmlThird Party Advisory
- https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
- https://www.pdfa.org/recently-identified-pdf-digital-signature-vulnerabilities/Third Party Advisory
- https://pdf-insecurity.org/signature/evaluation_2018.htmlThird Party Advisory
- https://pdf-insecurity.org/signature/signature.htmlThird Party Advisory
- https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
- https://www.pdfa.org/recently-identified-pdf-digital-signature-vulnerabilities/Third Party Advisory
FAQ
What is CVE-2018-18689?
CVE-2018-18689 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 exist...
How severe is CVE-2018-18689?
CVE-2018-18689 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-18689?
Check the references section above for vendor advisories and patch information. Affected products include: Avanquest Expert Pdf Ultimate, Avanquest Pdf Experte Ultimate, Foxitsoftware Foxit Reader, Gonitro Nitro Pro, Gonitro Nitro Reader.