SB2020032024 - Privilege escalation in Nextcloud Desktop client for macOS
Published: March 20, 2020 Updated: September 15, 2020
Security Bulletin ID
SB2020032024
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Code Injection (CVE-ID: CVE-2020-8140)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper input validation in Nextcloud Desktop Client for macOS when starting the client with DYLD_INSERT_LIBRARIES set in the environment. A local user can inject and execute arbitrary library on the system.
Remediation
Install update from vendor's website.