CVE-2016-9817

Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving a (1) data or (2) prefetch abort with the ESR_EL2.EA bit set.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector : AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Exploitability : 2.0 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://www.openwall.com/lists/oss-security/2016/11/29/3	Mailing List Mitigation Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/7	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94581	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037358
http://xenbits.xen.org/xsa/advisory-201.html	Mitigation Vendor Advisory Patch
http://xenbits.xen.org/xsa/xsa201-3-4.7.patch	Patch Vendor Advisory
http://xenbits.xen.org/xsa/xsa201-3.patch	Patch Vendor Advisory
https://security.gentoo.org/glsa/201612-56

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:xen:xen:4.7.0:::::::*
	cpe:2.3:o:xen:xen:4.7.1:::::::*

History

No history.

Information

Published : 2017-02-27 22:59

Updated : 2017-07-28 01:29

NVD link : CVE-2016-9817

Mitre link : CVE-2016-9817

CVE.ORG link : CVE-2016-9817

JSON object : View

Products Affected

xen

xen

CWE

CWE-284

Improper Access Control

{"id": "CVE-2016-9817", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 6.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.0}]}, "published": "2017-02-27T22:59:00.603", "references": [{"url": "http://www.openwall.com/lists/oss-security/2016/11/29/3", "tags": ["Mailing List", "Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2016/12/05/7", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/94581", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1037358", "source": "cve@mitre.org"}, {"url": "http://xenbits.xen.org/xsa/advisory-201.html", "tags": ["Mitigation", "Vendor Advisory", "Patch"], "source": "cve@mitre.org"}, {"url": "http://xenbits.xen.org/xsa/xsa201-3-4.7.patch", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://xenbits.xen.org/xsa/xsa201-3.patch", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201612-56", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving a (1) data or (2) prefetch abort with the ESR_EL2.EA bit set."}, {"lang": "es", "value": "Xen hasta la versi\u00f3n 4.7.x permite a usuarios locales del SO ARM invitado provocar una denegaci\u00f3n de servicio (ca\u00edda del host) a trav\u00e9s de vectores que implican una interrupci\u00f3n de (1) datos o (2) prefetch con el conjunto de bits ESR_EL2.EA."}], "lastModified": "2017-07-28T01:29:09.157", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F1DD0255-9127-4C7F-9C02-42198820363E"}, {"criteria": "cpe:2.3:o:xen:xen:4.7.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8FDFDDA0-51D2-4995-9B4D-48047C940FC5"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}