SB2020071024 - Arbitrary file upload in Nextcloud Contacts
Published: July 10, 2020 Updated: November 27, 2020
Security Bulletin ID
SB2020071024
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) Arbitrary file upload (CVE-ID: CVE-2020-8181)
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote user can upload a malicious avatar and execute it on the server.
Remediation
Install update from vendor's website.