Code Injection in desktop - CVE-2020-8140
Published: March 20, 2020 / Updated: September 15, 2020
Vulnerability identifier: #VU46710
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-8140
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Nextcloud
Affected software:
desktop
desktop
Detailed vulnerability description
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.
How to mitigate CVE-2020-8140
Install updates from vendor's website.