CVE-2020-8140 Code injection in Desktop Client
Attackers can execute arbitrary code on macOS by setting the DYLD_INSERT_LIBRARIES environment variable when launching the Nextcloud Desktop Client.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8140?
CVE-2020-8140 is a medium-severity code injection vulnerability in Desktop Client, published on 20 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the environment.
Weakness: CWE-94
Which versions are affected by CVE-2020-8140?
It affects 1 product.
Products include Nextcloud Desktop.
How do I fix CVE-2020-8140?
No fix has been published for CVE-2020-8140 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-8140 being exploited?
There is no known exploitation of CVE-2020-8140 in the wild and no public exploit code.
Other vulnerabilities in Desktop Client
- CVE-2024-46958 Misconfiguration in n/a
- CVE-2020-8224 Code injection in Desktop Client
- CVE-2020-8225 Information disclosure in Desktop Client
- CVE-2021-37617 Untrusted Search Path in Nextcloud Desktop Client
- CVE-2023-28999 Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders
Sources
Also known as GHSA-2xxg-j453-5c23.