CVE-2017-17564

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.9 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 1.1 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://xenbits.xen.org/xsa/advisory-250.html	Mitigation Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/12/12/3	Mailing List
http://www.securityfocus.com/bid/102172
https://security.gentoo.org/glsa/201801-14
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
https://www.debian.org/security/2018/dsa-4112
https://support.citrix.com/article/CTX232096
http://www.securitytracker.com/id/1040770
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html

Advertisement

Configurations

Configuration 1 (hide)

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

Information

Published : 2017-12-12 15:29

Updated : 2018-10-19 03:29

NVD link : CVE-2017-17564

Mitre link : CVE-2017-17564

JSON object : View

CWE

CWE-388

7PK - Errors

Advertisement

Products Affected

xen

xen

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://xenbits.xen.org/xsa/advisory-250.html", "name": "https://xenbits.xen.org/xsa/advisory-250.html", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2017/12/12/3", "name": "http://www.openwall.com/lists/oss-security/2017/12/12/3", "tags": ["Mailing List"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/102172", "name": "102172", "tags": [], "refsource": "BID"}, {"url": "https://security.gentoo.org/glsa/201801-14", "name": "GLSA-201801-14", "tags": [], "refsource": "GENTOO"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html", "name": "[debian-lts-announce] 20180105 [SECURITY] [DLA 1230-1] xen security update", "tags": [], "refsource": "MLIST"}, {"url": "https://www.debian.org/security/2018/dsa-4112", "name": "DSA-4112", "tags": [], "refsource": "DEBIAN"}, {"url": "https://support.citrix.com/article/CTX232096", "name": "https://support.citrix.com/article/CTX232096", "tags": [], "refsource": "CONFIRM"}, {"url": "http://www.securitytracker.com/id/1040770", "name": "1040770", "tags": [], "refsource": "SECTRACK"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html", "name": "[debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security update", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-388"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-17564", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "MEDIUM", "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.1}}, "publishedDate": "2017-12-12T23:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.9.1"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-10-19T10:29Z"}