CVE-2022-3598

LibTIFF versión 4.4.0, presenta una escritura fuera de límites en extractContigSamplesShifted24bits en el archivo tools/tiffcrop.c:3604, lo que permite a atacantes causar una denegación de servicio por medio de un archivo tiff diseñado. Para los usuarios que compilan libtiff a partir de las fuentes, la corrección está disponible con el commit cfbb883b

An out-of-bounds write flaw was found in the extractContigSamplesShifted24bits function in tools/tiffcrop.c in the libtiff package. By persuading a victim to open a specially-crafted TIFF image file, a remote attacker could cause a denial of service condition.

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.