CVE-2016-6352

La función OneLine32 en io-ico.c en gdk-pixbuf en versiones anteriores a 2.35.3 permite a atacantes remotos provocar una denegación de servicio (escritura fuera de límites y caída) a través de dimensiones manipuladas en un archivo ICO.

It was discovered that the GDK-PixBuf library did not properly handle specially crafted bmp images, leading to a heap-based buffer overflow. If a user or automated system were tricked into opening a specially crafted bmp file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. It was discovered that the GDK-PixBuf library contained an integer overflow when handling certain images. If a user or automated system were tricked into opening a crafted image file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Various other issues were also addressed.