CVE-2023-52356

Se encontró un fallo de falla de segmento (SEGV) en libtiff que podría activarse al pasar un archivo tiff diseñado a la API TIFFReadRGBATileExt(). Este fallo permite que un atacante remoto provoque un desbordamiento de búfer en la región Heap de la memoria, lo que lleva a una denegación de servicio.

USN-6644-1 fixed vulnerabilities in LibTIFF. This update provides the corresponding updates for Ubuntu 22.04 LTS. It was discovered that LibTIFF incorrectly handled certain files. If a user were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause the application to crash, resulting in a denial of service. It was discovered that LibTIFF incorrectly handled certain image files with the tiffcp utility. If a user were tricked into opening a specially crafted image file, an attacker could possibly use this issue to cause tiffcp to crash, resulting in a denial of service. It was discovered that LibTIFF incorrectly handled certain files. If a user were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause the application to consume resources, resulting in a denial of service.