CVSS: 6.0EPSS: 0%CPEs: 10EXPL: 0CVE-2016-7422 – Qemu: virtio: null pointer dereference in virtqueu_map_desc
https://notcve.org/view.php?id=CVE-2016-7422
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value. La función virtqueue_map_desc en hw/virtio/virtio.c en QEMU (también conocido como Quick Emulator) permite a administradores locales del SO invitado provocar una denegación de servicio (referencia a puntero NULL y caída del proceso QEMU) a través de un gran valor de longitud de búfer descriptor de I/O. • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0 http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html http://www.openwall.com/lists/oss-security/2016/09/16/10 http://www.openwall.com/lists/oss-security/2016/09/16/4 http://www.securityfocus.com/bid/92996 https://access.redhat.com/errata/RHSA-2017:2392 https://access.redhat.com/errata/RHSA-2017:2408 https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html https:&# • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-476: NULL Pointer Dereference •
CVSS: 4.4EPSS: 0%CPEs: 14EXPL: 0CVE-2016-6888 – Qemu: net: vmxnet: integer overflow in packet initialisation
https://notcve.org/view.php?id=CVE-2016-6888
Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference. Desbordamiento de entero en la función net_tx_pkt_enit en hw/net/net_tx_pkt.c en QEMU (también conocido como Quick Emulator) permite a administradores locales del SO invitado provocar una denegación de servicio (caída del proceso QEMU) a través del conteo máximo de fragmentación, lo que desencadena una multiplicación no comprobada y referencia a un puntero NULL. • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=47882fa4975bf0b58dd74474329fdd7154e8f04c http://www.openwall.com/lists/oss-security/2016/08/19/10 http://www.openwall.com/lists/oss-security/2016/08/19/6 http://www.securityfocus.com/bid/92556 https://access.redhat.com/errata/RHSA-2017:2392 https://access.redhat.com/errata/RHSA-2017:2408 https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03176.html https • CWE-190: Integer Overflow or Wraparound CWE-476: NULL Pointer Dereference •
CVSS: 10.0EPSS: 0%CPEs: 30EXPL: 4CVE-2016-6662 – MySQL / MariaDB / PerconaDB 5.5.51/5.6.32/5.7.14 - Code Execution / Privilege Escalation
https://notcve.org/view.php?id=CVE-2016-6662
Oracle MySQL through 5.5.52, 5.6.x through 5.6.33, and 5.7.x through 5.7.15; MariaDB before 5.5.51, 10.0.x before 10.0.27, and 10.1.x before 10.1.17; and Percona Server before 5.5.51-38.1, 5.6.x before 5.6.32-78.0, and 5.7.x before 5.7.14-7 allow local users to create arbitrary configurations and bypass certain protection mechanisms by setting general_log_file to a my.cnf configuration. NOTE: this can be leveraged to execute arbitrary code with root privileges by setting malloc_lib. NOTE: the affected MySQL version information is from Oracle's October 2016 CPU. Oracle has not commented on third-party claims that the issue was silently patched in MySQL 5.5.52, 5.6.33, and 5.7.15. Oracle MySQL hasta la versión 5.5.52, 5.6.x hasta la versión 5.6.33 y 5.7.x hasta la versión 5.7.15; MariaDB en versiones anteriores a 5.5.51, 10.0.x en versiones anteriores a 10.0.27 y 10.1.x en versiones anteriores a 10.1.17; y Percona Server en versiones anteriores a 5.5.51-38.1, 5.6.x en versiones anteriores a 5.6.32-78.0 y 5.7.x en versiones anteriores a 5.7.14-7 permiten a usuarios locales crear configuraciones arbitrarias y eludir ciertos mecanismos de protección estableciendo general_log_file a una configuración my.cnf NOTA: esto puede ser aprovechado para ejecutar código arbitrario con privilegios root estableciendo malloc_lib. • https://www.exploit-db.com/exploits/40360 https://github.com/MAYASEVEN/CVE-2016-6662 https://github.com/KosukeShimofuji/CVE-2016-6662 https://github.com/konstantin-kelemen/mysqld_safe-CVE-2016-6662-patch http://legalhackers.com/advisories/MySQL-Exploit-Remote-Root-Code-Execution-Privesc-CVE-2016-6662.html http://rhn.redhat.com/errata/RHSA-2016-2058.html http://rhn.redhat.com/errata/RHSA-2016-2059.html http://rhn.redhat.com/errata/RHSA-2016-2060.html http://rhn.redhat.com/errat • CWE-264: Permissions, Privileges, and Access Controls CWE-732: Incorrect Permission Assignment for Critical Resource •
CVSS: 5.5EPSS: 0%CPEs: 38EXPL: 0CVE-2016-5403 – Qemu: virtio: unbounded memory allocation on host via guest leading to DoS
https://notcve.org/view.php?id=CVE-2016-5403
The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion. La función virtqueue_pop en hw/virtio/virtio.c en QEMU permite a administradores locales del SO invitado provocar una denegación de servicio (consumo de memoria y caida del proceso QUEMU) mediante la presentación de solicitudes sin esperar la finalización. Quick Emulator (QEMU) built with the virtio framework is vulnerable to an unbounded memory allocation issue. It was found that a malicious guest user could submit more requests than the virtqueue size permits. Processing a request allocates a VirtQueueElement results in unbounded memory allocation on the host controlled by the guest. • http://rhn.redhat.com/errata/RHSA-2016-1585.html http://rhn.redhat.com/errata/RHSA-2016-1586.html http://rhn.redhat.com/errata/RHSA-2016-1606.html http://rhn.redhat.com/errata/RHSA-2016-1607.html http://rhn.redhat.com/errata/RHSA-2016-1652.html http://rhn.redhat.com/errata/RHSA-2016-1653.html http://rhn.redhat.com/errata/RHSA-2016-1654.html http://rhn.redhat.com/errata/RHSA-2016-1655.html http://rhn.redhat.com/errata/RHSA-2016-1756.html http://rhn • CWE-400: Uncontrolled Resource Consumption •
CVSS: 7.5EPSS: 0%CPEs: 5EXPL: 0CVE-2016-4985 – openstack-ironic: Ironic Node information including credentials exposed to unauthenticated users
https://notcve.org/view.php?id=CVE-2016-4985
The ironic-api service in OpenStack Ironic before 4.2.5 (Liberty) and 5.x before 5.1.2 (Mitaka) allows remote attackers to obtain sensitive information about a registered node by leveraging knowledge of the MAC address of a network card belonging to that node and sending a crafted POST request to the v1/drivers/$DRIVER_NAME/vendor_passthru resource. El servicio ironic-api en OpenStack Ironic en versiones anteriores a 4.2.5 (Liberty) y 5.x en versiones anteriores a 5.1.2 (Mitaka) permite a atacantes remotos obtener información sensible sobre un nodo registro aprovechando el conocimiento de la dirección MAC de una tarjeta de red que pertenece a ese nodo y enviar una petición POST manipulada para el recurso v1/drivers/$DRIVER_NAME/vendor_passthru. An authentication vulnerability was found in openstack-ironic. A client with network access to the ironic-api service could bypass OpenStack Identity authentication, and retrieve all information about any node registered with OpenStack Bare Metal. If an unprivileged attacker knew (or was able to guess) the MAC address of a network card belonging to a node, the flaw could be exploited by sending a crafted POST request to the node's /v1/drivers/$DRIVER_NAME/vendor_passthru resource. • http://www.openwall.com/lists/oss-security/2016/06/21/6 https://access.redhat.com/errata/RHSA-2016:1377 https://access.redhat.com/errata/RHSA-2016:1378 https://bugs.launchpad.net/ironic/+bug/1572796 https://review.openstack.org/332195 https://review.openstack.org/332196 https://review.openstack.org/332197 https://access.redhat.com/security/cve/CVE-2016-4985 https://bugzilla.redhat.com/show_bug.cgi?id=1346193 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-290: Authentication Bypass by Spoofing •