Improper access control in ownCloud Server - #VU25682
Published: February 28, 2020
Vulnerability identifier: #VU25682
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ownCloud
Affected software:
ownCloud Server
ownCloud Server
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote attacker who knows the public-link hash and the original filename of the image can bypass implemented security restrictions and gain unauthorized access to the preview-image of a password-protected public-link.
Remediation
Install updates from vendor's website.