CVE-2016-10025

VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions (aka SVM) allows local HVM guest OS users to cause a denial of service (hypervisor crash) by leveraging a missing NULL pointer check.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://support.citrix.com/article/CTX219378	Patch Third Party Advisory
http://xenbits.xen.org/xsa/advisory-203.html	Patch Vendor Advisory
http://www.securitytracker.com/id/1037518	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/95026	Third Party Advisory VDB Entry

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:xen:xen:4.8.0:::::::*
	cpe:2.3:o:xen:xen:4.6.1:::::::*
	cpe:2.3:o:xen:xen:4.6.4:::::::*
	cpe:2.3:o:xen:xen:4.7.0:::::::*
	cpe:2.3:o:xen:xen:4.7.1:::::::*
	cpe:2.3:o:xen:xen:4.6.0:::::::*
	cpe:2.3:o:xen:xen:4.6.3:::::::*

Configuration 2 (hide)

OR	cpe:2.3:a:citrix:xenserver:7.0:::::::*
	cpe:2.3:a:citrix:xenserver:6.5:::::::*
	cpe:2.3:a:citrix:xenserver:6.2.0:::::::*
	cpe:2.3:a:citrix:xenserver:6.0.2:::::::*

Information

Published : 2017-01-26 07:59

Updated : 2017-01-27 06:22

NVD link : CVE-2016-10025

Mitre link : CVE-2016-10025

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

Advertisement

Products Affected

citrix

xenserver

xen

xen

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://support.citrix.com/article/CTX219378", "name": "https://support.citrix.com/article/CTX219378", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://xenbits.xen.org/xsa/advisory-203.html", "name": "http://xenbits.xen.org/xsa/advisory-203.html", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securitytracker.com/id/1037518", "name": "1037518", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "http://www.securityfocus.com/bid/95026", "name": "95026", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions (aka SVM) allows local HVM guest OS users to cause a denial of service (hypervisor crash) by leveraging a missing NULL pointer check."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-476"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-10025", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "LOW", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2017-01-26T15:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:xen:xen:4.8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"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}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2017-01-27T14:22Z"}