Vulnerability identifier: #VU25682
Vulnerability risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
ownCloud Server
Web applications /
Modules and components for CMS
Vendor: ownCloud
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
ownCloud Server: 10.3.0 - 10.3.2
External links
http://owncloud.org/security/advisories/public-link-password-bypass-via-image-previews/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.