6.9

CVE-2012-3516

The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
CitrixXenserver Version <= 6.0.2
XenXen Version4.2.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.36% 0.273
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
Es wurden noch keine Informationen zu CWE veröffentlicht.
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
http://secunia.com/advisories/50472
Vendor Advisory
http://secunia.com/advisories/50530
Vendor Advisory
http://support.citrix.com/article/CTX134708
Patch
Vendor Advisory
http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking
http://www.openwall.com/lists/oss-security/2012/09/05/11
http://www.securityfocus.com/bid/55411