In Xpdf 4.01.01, a buffer over-read could be triggered in FoFiType1C::convertToType1 in fofi/FoFiType1C.cc when the index number is larger…
mitre·CWE-125·Published 2019-06-24
In Xpdf 4.01.01, a buffer over-read could be triggered in FoFiType1C::convertToType1 in fofi/FoFiType1C.cc when the index number is larger than the charset array bounds. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It allows an attacker to use a crafted pdf file to cause Denial of Service or an information leak, or possibly have unspecified other impact.
In Xpdf 4.01.01, a buffer over-read could be triggered in FoFiType1C::convertToType1 in fofi/FoFiType1C.cc when the index number is larger than the charset array bounds. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It allows an attacker to use a crafted pdf file to cause Denial of Service or an information leak, or possibly have unspecified other impact.
En Xpdf versión 4.01.01, una lectura excesiva del búfer podría activarse en la función FoFiType1C::convertToType1 en el archivo fofi/FoFiType1C.cc cuando el número de índice es mayor que los límites de la matriz charset. Por ejemplo, puede activarse mediante el envío de un documento PDF creado a la herramienta pdftops. Permite a un atacante usar un archivo pdf creado para causar la denegación de servicio o un filtrado de información, o posiblemente tener otro impacto no especificado.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 2.0 | Primary | NVD | 6.8 | 8.6 | 6.4 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| 3.1 | Primary | NVD | 7.8 | 1.8 | 5.9 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |