CVE-2019-15613

A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.

CVSS v3.0 8.0 HIGH
CVSS v2.0 6.0 MEDIUM

8.0^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://hackerone.com/reports/697959	Permissions Required Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-002	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:server::::::::
	cpe:2.3:a:nextcloud:server::::::::
	cpe:2.3:a:nextcloud:server::::::::

Information

Published : 2020-02-04 12:15

Updated : 2020-02-15 17:15

NVD link : CVE-2019-15613

Mitre link : CVE-2019-15613

JSON object : View

CWE

CWE-345

Insufficient Verification of Data Authenticity

Advertisement

Products Affected

nextcloud

server

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://hackerone.com/reports/697959", "name": "https://hackerone.com/reports/697959", "tags": ["Permissions Required", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-002", "name": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-002", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html", "name": "openSUSE-SU-2020:0220", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html", "name": "openSUSE-SU-2020:0229", "tags": [], "refsource": "SUSE"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-345"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-15613", "ASSIGNER": "cve-assignments@hackerone.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}}, "publishedDate": "2020-02-04T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:nextcloud:server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "15.0.14"}, {"cpe23Uri": "cpe:2.3:a:nextcloud:server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "16.0.7", "versionStartIncluding": "16.0.0"}, {"cpe23Uri": "cpe:2.3:a:nextcloud:server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "17.0.2", "versionStartIncluding": "16.0.8"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-02-16T01:15Z"}