CVE-2019-8521 Path traversal in iOS
A malicious application can overwrite arbitrary files on iOS and macOS systems due to insufficient checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-8521?
CVE-2019-8521 is a medium-severity path traversal vulnerability in Apple Iphone Os, published on 18 Dec 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
This issue was addressed with improved checks. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4. A malicious application may be able to overwrite arbitrary files.
Which versions are affected by CVE-2019-8521?
It affects 2 products.
Products include Apple Iphone Os, Apple Mac Os X.
How do I fix CVE-2019-8521?
No fix has been published for CVE-2019-8521 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-2019-8521 being exploited?
There is no known exploitation of CVE-2019-8521 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as GHSA-x5pq-q8xx-mmmf.