CVE-2012-5511: Buffer Overflow
Published Dec 13, 2012
·Updated
Stack-based buffer overflow in the dirty video RAM tracking functionality in Xen 3.4 through 4.1 allows local HVM guest OS administrators to cause a denial of service (crash) via a large bitmap image.
Affected Software
11 affected components
XEN Xen=3.4.0
XEN Xen=3.4.1
XEN Xen=3.4.2
XEN Xen=3.4.3
XEN Xen=3.4.4
XEN Xen=4.0.0
XEN Xen=4.0.1
XEN Xen=4.0.2
XEN Xen=4.0.3
XEN Xen=4.0.4
XEN Xen=4.1.0
Event History
Dec 13, 2012
CVE Published
via MITRE·11:00 AM
Data Sourced
via MITRE·11:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2012-5511?
CVE-2012-5511 has a high severity rating as it allows local HVM guest OS administrators to crash the system.
2
How do I fix CVE-2012-5511?
To fix CVE-2012-5511, upgrade to a version of Xen that has addressed this vulnerability, specifically versions beyond 4.1.
3
Which versions of Xen are affected by CVE-2012-5511?
CVE-2012-5511 affects Xen versions 3.4.0 through 4.1.0.
4
What kind of attack does CVE-2012-5511 facilitate?
CVE-2012-5511 facilitates a Denial of Service (DoS) attack by exploiting a stack-based buffer overflow.
5
Who is vulnerable to CVE-2012-5511?
Local HVM guest OS administrators are vulnerable to CVE-2012-5511 as they can trigger the buffer overflow.