Incomplete Filtering of Special Elements in File Firewall - #VU33681
Published: August 4, 2020
Vulnerability identifier: #VU33681
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-791
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
File Firewall
File Firewall
Software vendor:
ownCloud
ownCloud
Description
The vulnerability allows a remote attacker to bypass the firewall.
The vulnerability exists due to the affected software does not completely filter special elements before sending it to a downstream component. A remote attacker can create a share to a folder with upload rights and upload files of a type which were disallowed by the firewall
Remediation
Install updates from vendor's website.