CVE-2018-18689
https://notcve.org/view.php?id=CVE-2018-18689
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. • https://pdf-insecurity.org/signature/evaluation_2018.html https://pdf-insecurity.org/signature/signature.html https://www.foxitsoftware.com/support/security-bulletins.php https://www.pdfa.org/recently-identified-pdf-digital-signature-vulnerabilities • CWE-347: Improper Verification of Cryptographic Signature •
CVE-2018-19150
https://notcve.org/view.php?id=CVE-2018-19150
Memory corruption in PDMODELProvidePDModelHFT in pdmodel.dll in pdfforge PDF Architect 6 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact because of a "Data from Faulting Address controls Code Flow" issue. Corrupción de memoria en PDMODELProvidePDModelHFT en pdmodel.dll en pdfforge PDF Architect 6 permite a los atacantes remotos causar una denegación de servicio (cierre inesperado de la aplicación) o, posiblemente, provocar otro tipo de impacto indeterminado a causa de un problema de "Data from Faulting Address controls Code Flow". • https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2018-09-19-pdf-architect-corruption.md https://nafiez.github.io/security/integer/2018/09/18/pdf-architect-corruption.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •