CVSS: 9.0EPSS: 4%CPEs: 14EXPL: 0CVE-2015-7512 – Qemu: net: pcnet: buffer overflow in non-loopback mode
https://notcve.org/view.php?id=CVE-2015-7512
Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet. Desbordamiento de buffer en la función pcnet_receive en hw/net/pcnet.c en QEMU, cuando un NIC invitado tiene un MTU más grande, permite a atacantes provocar una denegación de servicio (caída de SO invitado) o ejecutar código arbitrario a través de un paquete grande. A buffer overflow flaw was found in the way QEMU's AMD PC-Net II emulation validated certain received packets from a remote host in non-loopback mode. A remote, unprivileged attacker could potentially use this flaw to execute arbitrary code on the host with the privileges of the QEMU process. Note that to exploit this flaw, the guest network interface must have a large MTU limit. • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f http://rhn.redhat.com/errata/RHSA-2015-2694.html http://rhn.redhat.com/errata/RHSA-2015-2695.html http://rhn.redhat.com/errata/RHSA-2015-2696.html http://www.debian.org/security/2016/dsa-3469 http://www.debian.org/security/2016/dsa-3470 http://www.debian.org/security/2016/dsa-3471 http://www.openwall.com/lists/oss-security/2015/11/30/3 http://www.oracle.com/technetwork/topics/securi • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-122: Heap-based Buffer Overflow •
CVSS: 5.0EPSS: 7%CPEs: 5EXPL: 0CVE-2015-7295
https://notcve.org/view.php?id=CVE-2015-7295
hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface. hw/virtio/virtio.c en el soporte Virtual Network Device (virtio-net) en QEMU, cuando buffers de recepción de gran tamaño o fusionables no son soportados, permite a atacantes remotos causar una denegación de servicio (consumo de la red de invitado) a través de una inundación de marcos jumbo en la interfaz (1) tuntap o (2) macvtap. • http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169624.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169767.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169802.html http://www.debian.org/security/2016/dsa-3469 http://www.debian.org/security/2016/dsa-3470 http://www.debian.org/security/2016/dsa-3471 http://www.openwall.com/lists/oss-security/2015/09/18/5 http://www.openwall.com/lists/oss-security/2015&#x • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 6.5EPSS: 0%CPEs: 22EXPL: 0CVE-2015-5239
https://notcve.org/view.php?id=CVE-2015-5239
Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop. Un desbordamiento de enteros en el controlador de pantalla VNC en QEMU versiones anteriores a 2.1.0, permite a atacantes causar una denegación de servicio (bloqueo del proceso) mediante un mensaje CLIENT_CUT_TEXT, que desencadena un bucle infinito. • http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.html http://www.openwall.com/lists/oss-security&#x • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
CVSS: 7.2EPSS: 0%CPEs: 1EXPL: 0CVE-2015-5279 – qemu: Heap overflow vulnerability in ne2000_receive() function
https://notcve.org/view.php?id=CVE-2015-5279
Heap-based buffer overflow in the ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via vectors related to receiving packets. Desbordamiento de buffer basado en memoria dinámica en la función ne2000_receive en hw/net/ne2000.c en QEMU en versiones anteriores a 2.4.0.1, permite a usuarios invitados del SO provocar una denegación de servicio (caída de la instancia) o posiblemente ejecutar código arbitrario a través de vectores relacionados con la recepción de paquetes. A heap buffer overflow flaw was found in the way QEMU's NE2000 NIC emulation implementation handled certain packets received over the network. A privileged user inside a guest could use this flaw to crash the QEMU instance (denial of service) or potentially execute arbitrary code on the host. • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=7aa2bcad0ca837dd6d4bf4fa38a80314b4a6b755 http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169036.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169039.html http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167369.html http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00019.html http://rhn.redhat.com/errata/RHSA-2015-1896.html http://rhn.redhat.com/errata/RHSA-2015-1923.html ht • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-122: Heap-based Buffer Overflow •
CVSS: 7.5EPSS: 1%CPEs: 13EXPL: 0CVE-2015-6855
https://notcve.org/view.php?id=CVE-2015-6855
hw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash. hw/ide/core.c en QEMU no restringe adecuadamente los comandos aceptados por un dispositivo ATAPI, lo que permite a usuarios invitados provocar una denegación de servicio o posiblemente tener otro impacto no especificado a través de ciertos comandos IDE, según lo demostrado por un comando WIN_READ_NATIVE_MAX en un controlador vacío, lo cual desencadena un error de división por cero y una cáida de la instancia. • http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168602.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169036.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169039.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169327.html http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169341.html http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167369.html http://lists.opensuse.org/ • CWE-369: Divide By Zero •