CVE-2021-3482

Se encontró un fallo en Exiv2 en versiones anteriores e incluyendo 0.27.4-RC1. Una comprobación inapropiada de la entrada de la propiedad rawData.size en la función Jp2Image::readMetadata() en el archivo jp2image.cpp puede conllevar a un desbordamiento del búfer en la región stack de la memoria por medio de una imagen JPG diseñada que contiene datos EXIF ??maliciosos

A flaw was found in Exiv2. Improper input validation of the rawData.size property in the Jp2Image::readMetadata() function in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data. The highest threat from this vulnerability is to confidentiality and system availability.

It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code or cause a crash. It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code or cause a crash. Various other issues were also addressed.