CVE-2016-9818

Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at HYP.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.5^/10

CVSS v3.0 : 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://xenbits.xen.org/xsa/xsa201-4.patch	Patch Vendor Advisory
http://xenbits.xen.org/xsa/advisory-201.html	Mitigation Patch Vendor Advisory
http://www.securityfocus.com/bid/94581	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2016/12/05/7	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/29/3	Mailing List Mitigation Third Party Advisory
https://security.gentoo.org/glsa/201612-56
http://www.securitytracker.com/id/1037358

Advertisement

Configurations

Configuration 1 (hide)

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

Information

Published : 2017-02-27 14:59

Updated : 2017-07-27 18:29

NVD link : CVE-2016-9818

Mitre link : CVE-2016-9818

JSON object : View

CWE

CWE-284

Improper Access Control

Advertisement

Products Affected

xen

xen

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://xenbits.xen.org/xsa/xsa201-4.patch", "name": "http://xenbits.xen.org/xsa/xsa201-4.patch", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://xenbits.xen.org/xsa/advisory-201.html", "name": "http://xenbits.xen.org/xsa/advisory-201.html", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/94581", "name": "94581", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://www.openwall.com/lists/oss-security/2016/12/05/7", "name": "[oss-security] 20161204 Re: Xen Security Advisory 201 - ARM guests may induce host asynchronous abort", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://www.openwall.com/lists/oss-security/2016/11/29/3", "name": "[oss-security] 20161129 Xen Security Advisory 201 - ARM guests may induce host asynchronous abort", "tags": ["Mailing List", "Mitigation", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://security.gentoo.org/glsa/201612-56", "name": "GLSA-201612-56", "tags": [], "refsource": "GENTOO"}, {"url": "http://www.securitytracker.com/id/1037358", "name": "1037358", "tags": [], "refsource": "SECTRACK"}]}, "data_format": "MITRE", "description": {"description_data": [{"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 an asynchronous abort while at HYP."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-284"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-9818", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2017-02-27T22:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.7.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2017-07-28T01:29Z"}