CVE-2016-9385

The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.

CVSS v3.0 6.0 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.0^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.5 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

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
https://support.citrix.com/article/CTX218775	Patch Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-193.html	Patch Vendor Advisory
http://www.securitytracker.com/id/1037342	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/94472	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201612-56

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:xen:xen:4.5.5:::::::*
	cpe:2.3:o:xen:xen:4.5.0:::::::*
	cpe:2.3:o:xen:xen:4.4.4:::::::*
	cpe:2.3:o:xen:xen:4.6.3:::::::*
	cpe:2.3:o:xen:xen:4.6.4:::::::*
	cpe:2.3:o:xen:xen:4.5.3:::::::*
	cpe:2.3:o:xen:xen:4.4.0:::::::*
	cpe:2.3:o:xen:xen:4.4.1:::::::*
	cpe:2.3:o:xen:xen:4.7.0:::::::*
	cpe:2.3:o:xen:xen:4.7.1:::::::*
	cpe:2.3:o:xen:xen:4.5.1:::::::*
	cpe:2.3:o:xen:xen:4.6.0:::::::*
	cpe:2.3:o:xen:xen:4.5.2:::::::*
	cpe:2.3:o:xen:xen:4.4.2:::::::*
	cpe:2.3:o:xen:xen:4.4.3:::::::*
	cpe:2.3:o:xen:xen:4.6.1:::::::*

Configuration 2 (hide)

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

Information

Published : 2017-01-23 13:59

Updated : 2017-06-30 18:30

NVD link : CVE-2016-9385

Mitre link : CVE-2016-9385

JSON object : View

CWE

CWE-20

Improper Input Validation

Advertisement

Products Affected

citrix

xenserver

xen

xen

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://support.citrix.com/article/CTX218775", "name": "https://support.citrix.com/article/CTX218775", "tags": ["Patch", "Third Party Advisory", "VDB Entry"], "refsource": "CONFIRM"}, {"url": "http://xenbits.xen.org/xsa/advisory-193.html", "name": "http://xenbits.xen.org/xsa/advisory-193.html", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securitytracker.com/id/1037342", "name": "1037342", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "http://www.securityfocus.com/bid/94472", "name": "94472", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "https://security.gentoo.org/glsa/201612-56", "name": "GLSA-201612-56", "tags": [], "refsource": "GENTOO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-9385", "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": 6.0, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 1.5}}, "publishedDate": "2017-01-23T21:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:xen:xen:4.5.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:*", "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:4.5.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*", "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:4.5.1:*:*:*:*:*:*:*", "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:4.5.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"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}, {"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}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2017-07-01T01:30Z"}