Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2012-3516

Good to know:

icon

Date: November 23, 2012

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.

Language: C

Severity Score

Related Resources (9)

http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
https://nvd.nist.gov/vuln/detail/CVE-2012-3516
http://www.securityfocus.com/bid/55411
http://secunia.com/advisories/50530
http://www.openwall.com/lists/oss-security/2012/09/05/11
http://secunia.com/advisories/50472
http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking
http://support.citrix.com/article/CTX134708
https://www.mend.io/vulnerability-database/CVE-2012-3516

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

icon

Upgrade Version

Upgrade to version 4.2.0-branched

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

Do you need more information?

Contact Us