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CVSS: 7.2EPSS: 0%CPEs: 6EXPL: 0

Integer signedness error in the NE2000 emulator in QEMU 0.8.2, as used in Xen and possibly other products, allows local users to trigger a heap-based buffer overflow via certain register values that bypass sanity checks, aka QEMU NE2000 "receive" integer signedness error. NOTE: this identifier was inadvertently used by some sources to cover multiple issues that were labeled "NE2000 network driver and the socket code," but separate identifiers have been created for the individual vulnerabilities since there are sometimes different fixes; see CVE-2007-5729 and CVE-2007-5730. Un error en la propiedad signedness de enteros en el emulador NE2000 en QEMU versión 0.8.2, tal y como es usado en Xen y posiblemente otros productos, permite a usuarios locales desencadenar un desbordamiento de búfer en la región heap de la memoria por medio de ciertos valores de registro que omiten las comprobaciones de saneamiento, también se conoce como error en la propiedad signedness de enteros "receive" de QEMU NE2000. NOTA: este identificador fue usado inadvertidamente por algunas fuentes para cubrir múltiples problemas que fueron etiquetados como "NE2000 network driver and the socket code”, pero se han creado identificadores separados para las vulnerabilidades individuales ya que existen algunas veces diferentes correcciones; consulte CVE-2007-5729 y CVE-2007-5730. • http://osvdb.org/35495 http://secunia.com/advisories/25073 http://secunia.com/advisories/25095 http://secunia.com/advisories/27047 http://secunia.com/advisories/27072 http://secunia.com/advisories/27103 http://secunia.com/advisories/27486 http://secunia.com/advisories/29129 http://securitytracker.com/id?1018761 http://taviso.decsystem.org/virtsec.pdf http://www.attrition.org/pipermail/vim/2007-October/001842.html http://www.debian.org/security/2007/dsa-1284 http://w •

CVSS: 2.1EPSS: 0%CPEs: 3EXPL: 0

QEMU 0.8.2 allows local users to crash a virtual machine via the divisor operand to the aam instruction, as demonstrated by "aam 0x0," which triggers a divide-by-zero error. QEMU 0.8.2 permite a usuarios locales colgar una máquina virtual mediante el operando divisor en la instrucción aam, como se ha demostrado "aam 0x0", la cual dispara un error de división por cero. • http://lists.gnu.org/archive/html/qemu-devel/2007-04/msg00650.html http://lists.gnu.org/archive/html/qemu-devel/2007-04/msg00651.html http://osvdb.org/35498 http://secunia.com/advisories/25073 http://secunia.com/advisories/25095 http://secunia.com/advisories/29129 http://taviso.decsystem.org/virtsec.pdf http://www.debian.org/security/2007/dsa-1284 http://www.mandriva.com/security/advisories?name=MDVSA-2008:162 http://www.securityfocus.com/bid/23731 http://www.v •

CVSS: 2.1EPSS: 0%CPEs: 3EXPL: 0

QEMU 0.8.2 allows local users to halt a virtual machine by executing the icebp instruction. QEMU 0.8.2 permite a usuarios locales detener una máquina virtual ejecutando la instrucción icebp. • http://osvdb.org/35496 http://secunia.com/advisories/25073 http://secunia.com/advisories/25095 http://secunia.com/advisories/29129 http://taviso.decsystem.org/virtsec.pdf http://www.debian.org/security/2007/dsa-1284 http://www.mandriva.com/security/advisories?name=MDVSA-2008:162 http://www.securityfocus.com/bid/23731 http://www.vupen.com/english/advisories/2007/1597 https://exchange.xforce.ibmcloud.com/vulnerabilities/34043 •

CVSS: 7.2EPSS: 0%CPEs: 9EXPL: 0

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 •