CVE-2020-15650 Path traversal in Firefox ESR
A malicious file picker app could overwrite local Firefox settings on Android, requiring an upgrade to Firefox ESR.
- 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-2020-15650?
CVE-2020-15650 is a medium-severity path traversal vulnerability in Mozilla Firefox Esr, published on 10 Aug 2020. 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
Given an installed malicious file picker application, an attacker was able to overwrite local files and thus overwrite Firefox settings (but not access the previous profile). *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.11.
Which versions are affected by CVE-2020-15650?
It affects 1 product.
Products include Mozilla Firefox Esr.
How do I fix CVE-2020-15650?
No fix has been published for CVE-2020-15650 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-2020-15650 being exploited?
There is no known exploitation of CVE-2020-15650 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox Esr
Sources
Also known as GHSA-7f7j-qhc3-4fvp.