SB2020080408 - Incomplete Filtering of Special Elements in File Firewall for ownCloud Server
Published: August 4, 2020
Security Bulletin ID
SB2020080408
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incomplete Filtering of Special Elements (CVE-ID: N/A)
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 update from vendor's website.