CVE-2019-17349

An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a LoadExcl or StoreExcl operation.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

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

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://xenbits.xen.org/xsa/advisory-295.html	Vendor Advisory
http://xenbits.xen.org/xsa/advisory-295.html
https://www.debian.org/security/2020/dsa-4602
https://seclists.org/bugtraq/2020/Jan/21

Configurations

Configuration 1 (hide)

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

Information

Published : 2019-10-08 01:15

Updated : 2019-10-26 05:15

NVD link : CVE-2019-17349

Mitre link : CVE-2019-17349

JSON object : View

Products Affected

xen

xen

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://xenbits.xen.org/xsa/advisory-295.html", "name": "https://xenbits.xen.org/xsa/advisory-295.html", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "http://xenbits.xen.org/xsa/advisory-295.html", "name": "http://xenbits.xen.org/xsa/advisory-295.html", "tags": [], "refsource": "CONFIRM"}, {"url": "https://www.debian.org/security/2020/dsa-4602", "name": "DSA-4602", "tags": [], "refsource": "DEBIAN"}, {"url": "https://seclists.org/bugtraq/2020/Jan/21", "name": "20200114 [SECURITY] [DSA 4602-1] xen security update", "tags": [], "refsource": "BUGTRAQ"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a LoadExcl or StoreExcl operation."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-835"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-17349", "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", "acInsufInfo": false, "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/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": "2019-10-08T01:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.12.1"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-10-26T05:15Z"}