CVE-2019-17180

Valve Steam Client before 2019-09-12 allows placing or appending partially controlled filesystem content, as demonstrated by file modifications on Windows in the context of NT AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://habr.com/ru/company/pm/blog/469507/	Exploit Third Party Advisory
https://amonitoring.ru/article/steam_vuln_3/	Exploit Third Party Advisory
https://hackerone.com/reports/682774	Exploit Third Party Advisory
https://store.steampowered.com/news/54236/	Release Notes Vendor Advisory
https://hackerone.com/reports/583184

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Information

Published : 2019-10-04 13:15

Updated : 2020-01-16 05:15

NVD link : CVE-2019-17180

Mitre link : CVE-2019-17180

JSON object : View

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Products Affected

valvesoftware

steam_client

microsoft

windows

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://habr.com/ru/company/pm/blog/469507/", "name": "https://habr.com/ru/company/pm/blog/469507/", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://amonitoring.ru/article/steam_vuln_3/", "name": "https://amonitoring.ru/article/steam_vuln_3/", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://hackerone.com/reports/682774", "name": "https://hackerone.com/reports/682774", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://store.steampowered.com/news/54236/", "name": "https://store.steampowered.com/news/54236/", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://hackerone.com/reports/583184", "name": "https://hackerone.com/reports/583184", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Valve Steam Client before 2019-09-12 allows placing or appending partially controlled filesystem content, as demonstrated by file modifications on Windows in the context of NT AUTHORITY\\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-22"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-17180", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2019-10-04T20:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2019-09-12"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-01-16T13:15Z"}

7.8 /10