CVE-2020-8227

Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.

CVSS v3 6.8 MEDIUM
CVSS v2.0 7.1 HIGH

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.1^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:H/Au:S/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector NETWORK

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://hackerone.com/reports/590319	Exploit Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032	Broken Link Exploit Vendor Advisory
https://security.gentoo.org/glsa/202009-09	Third Party Advisory
https://hackerone.com/reports/590319	Exploit Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032	Broken Link Exploit Vendor Advisory
https://security.gentoo.org/glsa/202009-09	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:38

Type	Values Removed	Values Added
References	~~() https://hackerone.com/reports/590319 - Exploit, Third Party Advisory~~	() https://hackerone.com/reports/590319 - Exploit, Third Party Advisory
References	~~() https://nextcloud.com/security/advisory/?id=NC-SA-2020-032 - Broken Link, Exploit, Vendor Advisory~~	() https://nextcloud.com/security/advisory/?id=NC-SA-2020-032 - Broken Link, Exploit, Vendor Advisory
References	~~() https://security.gentoo.org/glsa/202009-09 - Third Party Advisory~~	() https://security.gentoo.org/glsa/202009-09 - Third Party Advisory

Information

Published : 2020-08-21 21:15

Updated : 2024-11-21 05:38

NVD link : CVE-2020-8227

Mitre link : CVE-2020-8227

CVE.ORG link : CVE-2020-8227

JSON object : View

Products Affected

linux

linux_kernel

nextcloud

desktop

CWE

CWE-22

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

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