CVSS: 7.2EPSS: 0%CPEs: 6EXPL: 0CVE-2008-1944 – PVFB SDL backend chokes on bogus screen updates
https://notcve.org/view.php?id=CVE-2008-1944
Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer (PVFB) Message 3.0 through 3.0.3 allows local users to cause a denial of service (SDL crash) and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of messages." Un desbordamiento de búfer en el backend del búfer de XenSource Xen Para-Virtualized Framebuffer (PVFB) Message versiones 3.0 hasta 3.0.3, permite a usuarios locales causar una denegación de servicio (bloqueo de SDL) y posiblemente ejecutar código arbitrario por medio de "bogus screen updates," relacionadas con la falta de comprobación del "format of messages." • http://secunia.com/advisories/29963 http://www.redhat.com/support/errata/RHSA-2008-0194.html http://www.securityfocus.com/bid/29186 http://www.securitytracker.com/id?1020009 https://bugzilla.redhat.com/show_bug.cgi?id=443390 https://exchange.xforce.ibmcloud.com/vulnerabilities/42388 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10868 https://access.redhat.com/security/cve/CVE-2008-1944 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 2.1EPSS: 0%CPEs: 9EXPL: 0CVE-2008-1943 – PVFB backend fails to validate frontend's framebuffer description
https://notcve.org/view.php?id=CVE-2008-1943
Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through 3.1.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a crafted description of a shared framebuffer. Un desbordamiento de búfer en el backend de XenSource Xen Para Virtualized Frame Buffer (PVFB) versiones 3.0 hasta 3.1.2, permite a usuarios locales causar una denegación de servicio (bloqueo de aplicación) y posiblemente ejecutar código arbitrario por medio de una descripción diseñada de una framebuffer compartida. • http://secunia.com/advisories/29963 http://secunia.com/advisories/30781 http://www.redhat.com/support/errata/RHSA-2008-0194.html http://www.securityfocus.com/bid/29183 http://www.securitytracker.com/id?1020008 http://www.vupen.com/english/advisories/2008/1900/references https://bugzilla.redhat.com/show_bug.cgi?id=443078 https://exchange.xforce.ibmcloud.com/vulnerabilities/42387 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10338 https://access.r • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 4.6EPSS: 0%CPEs: 1EXPL: 1CVE-2007-6416 – Security: vulnerability of copy_to_user in PAL emulation
https://notcve.org/view.php?id=CVE-2007-6416
The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations. La función copy_to_user en la funcionalidad del emulador PAL para Xen 3.1.2 y anteriores, cuando funciona sobre sistemas ia64, permite a un usuario invitado HVM acceder a la memoria física de su elección a través de un disparo de ciertas operaciones de mapeo. • http://osvdb.org/41344 http://secunia.com/advisories/28146 http://secunia.com/advisories/28643 http://www.redhat.com/support/errata/RHSA-2008-0089.html http://www.securityfocus.com/bid/26954 http://xenbits.xensource.com/ext/ia64/xen-unstable.hg?rev/e6069a715fd7 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9840 https://access.redhat.com/security/cve/CVE-2007-6416 https://bugzilla.redhat.com/show_bug.cgi?id=425381 • CWE-264: Permissions, Privileges, and Access Controls •
CVSS: 2.1EPSS: 0%CPEs: 1EXPL: 0CVE-2007-6207 – Security: some HVM domain can access another domain memory.
https://notcve.org/view.php?id=CVE-2007-6207
Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID value for mov_to_rr, which allows a VTi domain to read memory of other domains. Xen 3.x, posiblemente versiones anteriores a 3.1.2, ejecutándose en sistemas IA64, no comprueba el valor RID de mov_to_rr, lo cual permite a un dominio VTi leer memoria de otros dominios. • http://lists.xensource.com/archives/html/xen-announce/2007-11/msg00000.html http://lists.xensource.com/archives/html/xen-ia64-devel/2007-10/msg00189.html http://osvdb.org/41341 http://secunia.com/advisories/27915 http://secunia.com/advisories/29236 http://www.redhat.com/support/errata/RHSA-2008-0154.html http://www.securityfocus.com/bid/26716 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9471 https://access.redhat.com/security/cve/CVE-200 • CWE-20: Improper Input Validation •
CVSS: 4.7EPSS: 0%CPEs: 1EXPL: 0CVE-2007-5907 – kernel-xen 3.1.1 does not prevent modification of the CR4 TSC from applications (DoS possible)
https://notcve.org/view.php?id=CVE-2007-5907
Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash). El Xen 3.1.1 no previene la modificación del CR4 TSC para aplicaciones, lo que permite a invitados pv provocar una denegación de servicio (caída). • http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00002.html http://lists.xensource.com/archives/html/xen-devel/2007-10/msg00932.html http://secunia.com/advisories/28405 http://secunia.com/advisories/28412 http://secunia.com/advisories/28636 http://secunia.com/advisories/32485 http://www.novell.com/linux/security/advisories/suse_security_summary_report.html http://www.redhat.com/support/errata/RHSA-2008-0957.html http://www.securityfocus.com/bid/27219 https://oval. • CWE-264: Permissions, Privileges, and Access Controls •