Vulnerability Details : CVE-2013-4551
Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to "guest VMX instruction execution."
Vulnerability category: Input validationDenial of service
Products affected by CVE-2013-4551
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-4551
0.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-4551
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.7
|
MEDIUM | AV:A/AC:M/Au:N/C:N/I:N/A:C |
5.5
|
6.9
|
NIST |
CWE ids for CVE-2013-4551
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4551
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http://www.securityfocus.com/bid/63625
Xen CVE-2013-4551 Remote Denial of Service Vulnerability
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http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.html
openSUSE-SU-2013:1876-1: moderate: xen: security and bugfix update
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http://security.gentoo.org/glsa/glsa-201407-03.xml
Xen: Multiple Vunlerabilities (GLSA 201407-03) — Gentoo security
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http://www.openwall.com/lists/oss-security/2013/11/11/1
oss-security - Xen Security Advisory 75 (CVE-2013-4551) - Host crash due to guest VMX instruction execution
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https://exchange.xforce.ibmcloud.com/vulnerabilities/88649
Xen VMLAUNCH denial of service CVE-2013-4551 Vulnerability Report
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http://www.securitytracker.com/id/1029313
Xen VMX Permission Check Flaw Lets Local Users on the Guest System to Cause the Host System to Crash - SecurityTracker
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