CVE-2020-3835 Path traversal in macOS
A malicious application can access restricted files due to improper symlink validation in macOS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3835?
CVE-2020-3835 is a medium-severity path traversal vulnerability in Apple Mac Os X, published on 27 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Catalina 10.15.3. A malicious application may be able to access restricted files.
Weakness: CWE-59
Which versions are affected by CVE-2020-3835?
It affects 1 product.
Products include Apple Mac Os X.
How do I fix CVE-2020-3835?
No fix has been published for CVE-2020-3835 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-3835 being exploited?
There is no known exploitation of CVE-2020-3835 in the wild and no public exploit code.
Other vulnerabilities in Apple Mac Os X
Sources
Also known as GHSA-ff36-9fww-2r59.