CVE-2017-11157

Multiple untrusted search path vulnerabilities in the installer in Synology Cloud Station Backup before 4.2.5-4396 on Windows allow local attackers to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse (1) shfolder.dll, (2) ntmarta.dll, (3) secur32.dll or (4) dwmapi.dll file in the current working directory.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

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

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

4.6^/10

CVSS v2.0 : MEDIUM

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://www.synology.com/en-global/support/security/Synology_SA_17_50_Cloud_Station_Backup	Vendor Advisory

Advertisement

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:synology:cloud_station_backup:*:*:*:*:*:*:*:*

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

Information

Published : 2017-08-30 13:29

Updated : 2017-09-05 05:57

NVD link : CVE-2017-11157

Mitre link : CVE-2017-11157

JSON object : View

CWE

CWE-426

Untrusted Search Path

Advertisement

Products Affected

synology

cloud_station_backup

microsoft

windows

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.synology.com/en-global/support/security/Synology_SA_17_50_Cloud_Station_Backup", "name": "https://www.synology.com/en-global/support/security/Synology_SA_17_50_Cloud_Station_Backup", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Multiple untrusted search path vulnerabilities in the installer in Synology Cloud Station Backup before 4.2.5-4396 on Windows allow local attackers to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse (1) shfolder.dll, (2) ntmarta.dll, (3) secur32.dll or (4) dwmapi.dll file in the current working directory."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-426"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-11157", "ASSIGNER": "security@synology.com"}}, "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", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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": "2017-08-30T20:29Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:synology:cloud_station_backup:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.2.4-4393"}]}, {"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": "2017-09-05T12:57Z"}