CVE-2007-1320 – xen/qemu Cirrus LGD-54XX "bitblt" Heap Overflow

https://notcve.org/view.php?id=CVE-2007-1320

Multiple heap-based buffer overflows in the cirrus_invalidate_region function in the Cirrus VGA extension in QEMU 0.8.2, as used in Xen and possibly other products, might allow local users to execute arbitrary code via unspecified vectors related to "attempting to mark non-existent regions as dirty," aka the "bitblt" heap overflow. Múltiples desbordamientos de búfer en la región heap de la memoria en la función cirrus_invalidate_region en la extensión Cirrus VGA en QEMU versión 0.8.2, como es usado en Xen y posiblemente otros productos, podrían permitir a usuarios locales ejecutar código arbitrario por medio de vectores no especificados relacionados a "attempting to mark non-existent regions as dirty," también se conoce como el desbordamiento de la pila "bitblt". • http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00004.html http://osvdb.org/35494 http://secunia.com/advisories/25073 http://secunia.com/advisories/25095 http://secunia.com/advisories/27047 http://secunia.com/advisories/27085 http://secunia.com/advisories/27103 http://secunia.com/advisories/27486 http://secunia.com/advisories/29129 http://secunia.com/advisories/30413 http://secunia.com/advisories/33568 http://taviso.decsystem.org/virtsec.pdf http://www.de • CWE-787: Out-of-bounds Write •