CVE-2022-2953

LibTIFF versión 4.4.0, presenta una lectura fuera de límites en extractImageSection en el archivo tools/tiffcrop.c:6905, lo que permite a atacantes causar una denegación de servicio por medio de un archivo tiff diseñado. Para usuarios que compilan libtiff desde las fuentes, la corrección está disponible con el commit 48d6ece8

An out-of-bound read flaw was found in LibTIFF, in extractImageSection in the tools/tiffcrop.c:6905, allowing attackers to cause a denial of service via a crafted tiff file.

It was discovered that LibTIFF incorrectly handled certain memory operations when using tiffcrop. An attacker could trick a user into processing a specially crafted tiff image file and potentially use this issue to cause a denial of service. This issue only affected Ubuntu 22.10. It was discovered that LibTIFF did not properly perform bounds checking in certain operations when using tiffcrop. An attacker could trick a user into processing a specially crafted tiff image file and potentially use this issue to allow for information disclosure or to cause the application to crash. This issue only affected to Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.