CVE-2017-12135

Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants.

CVSS v3.0 8.8 HIGH
CVSS v2.0 4.6 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

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

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.citrix.com/article/CTX225941	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477655	Issue Tracking Mitigation Patch Third Party Advisory
http://xenbits.xen.org/xsa/advisory-226.html	Mitigation Patch Vendor Advisory
http://www.securitytracker.com/id/1039178	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/100344	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2017/08/17/6	Mailing List Mitigation Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/15/1	Mailing List Mitigation Third Party Advisory
http://www.debian.org/security/2017/dsa-3969	Third Party Advisory
https://security.gentoo.org/glsa/201801-14	Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/14/4

Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:citrix:xenserver:7.1:::::::*
	cpe:2.3:a:citrix:xenserver:7.2:::::::*
	cpe:2.3:a:citrix:xenserver:6.0.2:::::::*
	cpe:2.3:a:citrix:xenserver:7.0:::::::*
	cpe:2.3:a:citrix:xenserver:6.2.0:::::::*
	cpe:2.3:a:citrix:xenserver:6.5:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Information

Published : 2017-08-24 07:29

Updated : 2020-04-14 08:15

NVD link : CVE-2017-12135

Mitre link : CVE-2017-12135

JSON object : View

CWE

CWE-682

Incorrect Calculation

Products Affected

debian

debian_linux

citrix

xenserver

xen

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://support.citrix.com/article/CTX225941", "name": "https://support.citrix.com/article/CTX225941", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477655", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1477655", "tags": ["Issue Tracking", "Mitigation", "Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://xenbits.xen.org/xsa/advisory-226.html", "name": "http://xenbits.xen.org/xsa/advisory-226.html", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securitytracker.com/id/1039178", "name": "1039178", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "http://www.securityfocus.com/bid/100344", "name": "100344", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://www.openwall.com/lists/oss-security/2017/08/17/6", "name": "[oss-security] 20170817 Xen Security Advisory 226 (CVE-2017-12135) - multiple problems with transitive grants", "tags": ["Mailing List", "Mitigation", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://www.openwall.com/lists/oss-security/2017/08/15/1", "name": "[oss-security] 20170815 Xen Security Advisory 226 (CVE-2017-12135) - multiple problems with transitive grants", "tags": ["Mailing List", "Mitigation", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://www.debian.org/security/2017/dsa-3969", "name": "DSA-3969", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://security.gentoo.org/glsa/201801-14", "name": "GLSA-201801-14", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}, {"url": "http://www.openwall.com/lists/oss-security/2020/04/14/4", "name": "[oss-security] 20200414 Xen Security Advisory 318 v3 (CVE-2020-11742) - Bad continuation handling in GNTTABOP_copy", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-682"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-12135", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.0}}, "publishedDate": "2017-08-24T14:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:citrix:xenserver:7.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:citrix:xenserver:7.2:*:*:*:*:*:*:*", "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:6.2.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-04-14T15:15Z"}

8.8 /10