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CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 0

The qemu implementation in libvirt before 1.3.0 and Xen allows local guest OS users to cause a denial of service (host disk consumption) by writing to stdout or stderr. La implementación de qemu en libvirt en versiones anteriores a 1.3.0 y Xen permite a usuarios locales del SO invitado provocar una denegación de servicio (consumo de disco anfitrión) escribiendo stdout o stderr. • http://www.openwall.com/lists/oss-security/2016/05/24/5 http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securitytracker.com/id/1035945 http://xenbits.xen.org/xsa/advisory-180.html https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=0d968ad715475a1660779bcdd2c5b38ad63db4cf https://libvirt.org/news-2015.html • CWE-400: Uncontrolled Resource Consumption •

CVSS: 5.9EPSS: 0%CPEs: 5EXPL: 0

The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query. La función networkReloadIptablesRules en network/bridge_driver.c en libvirt en versiones anteriores a 0.9.9 no maneja correctamente las reglas del firewall en redes puente cuando se reinicia libvirtd, lo que podría permitir a atacantes remotos eludir las restricciones de acceso previstas a través de una consulta (1) DNS o (2) DHCP. • http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=ae1232b298323dd7bef909426e2ebafa6bca9157 http://libvirt.org/news-2012.html http://www.ubuntu.com/usn/USN-2867-1 https://bugzilla.redhat.com/show_bug.cgi?id=760442 • CWE-284: Improper Access Control •

CVSS: 6.5EPSS: 0%CPEs: 10EXPL: 0

The virStorageVolCreateXML API in libvirt 1.2.14 through 1.2.19 allows remote authenticated users with a read-write connection to cause a denial of service (libvirtd crash) by triggering a failed unlink after creating a volume on a root_squash NFS pool. La API virStorageVolCreateXML en libvirt 1.2.14 hasta la versión 1.2.19 permite a usuarios remotos autenticados con una conexión de lectura-escritura causar una denegación de servicio (caída de libvirtd) desencadenando una desvinculación fallida después de crear un volumen en un pool NFS root_squash. • http://security.libvirt.org/2015/0003.html http://www.ubuntu.com/usn/USN-2867-1 • CWE-284: Improper Access Control •

CVSS: 3.5EPSS: 0%CPEs: 23EXPL: 0

libvirt before 1.2.12 allow remote authenticated users to obtain the VNC password by using the VIR_DOMAIN_XML_SECURE flag with a crafted (1) snapshot to the virDomainSnapshotGetXMLDesc interface or (2) image to the virDomainSaveImageGetXMLDesc interface. libvirt anterior a 1.2.12 permite a usuarios remotos autenticados obtener la contraseña VNC mediante el uso del indicador VIR_DOMAIN_XML_SECURE con (1) una instantánea manipulada a la interfaz virDomainSnapshotGetXMLDesc o (2) una imagen manipulada a la interfaz virDomainSaveImageGetXMLDesc. It was discovered that the virDomainSnapshotGetXMLDesc() and virDomainSaveImageGetXMLDesc() functions did not sufficiently limit the usage of the VIR_DOMAIN_XML_SECURE flag when fine-grained ACLs were enabled. A remote attacker able to establish a connection to libvirtd could use this flaw to obtain certain sensitive information from the domain XML file. • http://advisories.mageia.org/MGASA-2015-0046.html http://lists.opensuse.org/opensuse-updates/2015-02/msg00028.html http://rhn.redhat.com/errata/RHSA-2015-0323.html http://secunia.com/advisories/62766 http://security.libvirt.org/2015/0001.html http://www.mandriva.com/security/advisories?name=MDVSA-2015:035 http://www.mandriva.com/security/advisories?name=MDVSA-2015:070 http://www.ubuntu.com/usn/USN-2867-1 https://access.redhat.com/security/cve/CVE-2015-0236 https://bugz • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 4.0EPSS: 0%CPEs: 1EXPL: 0

The qemu implementation of virConnectGetAllDomainStats in libvirt before 1.2.11 does not properly handle locks when a domain is skipped due to ACL restrictions, which allows a remote authenticated users to cause a denial of service (deadlock or segmentation fault and crash) via a request to access the users does not have privileges to access. La implementación qemu de virConnectGetAllDomainStats en libvirt anterior a 1.2.11 no maneja correctamente los bloqueos cuando se salta un dominio debido a las restricciones ACL, lo que permite a usuarios remotos autenticados causar una denegación de servicio (bloqueo o fallo de segmentación y caída) a través de una solicitud de acceso cuando el usuario no tiene los privilegios de acceso. • http://lists.opensuse.org/opensuse-updates/2015-01/msg00005.html http://security.libvirt.org/2014/0008.html • CWE-264: Permissions, Privileges, and Access Controls •