CVE-2019-9798 Code injection in Firefox
Malicious apps can execute code in Firefox on Android by writing to a world-writable library path, enabling man-in-the-middle attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-9798?
CVE-2019-9798 is a high-severity code injection vulnerability in Mozilla Firefox, published on 26 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On Android systems, Firefox can load a library from APITRACE_LIB, which is writable by all users and applications. This could allow malicious third party applications to execute a man-in-the-middle attack if a malicious code was written to that location and loaded. *Note: This issue only affects Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 66.
Weakness: CWE-426
Which versions are affected by CVE-2019-9798?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2019-9798?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2019-9798 being exploited?
There is no known exploitation of CVE-2019-9798 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-6c53-pfqv-mx96, UBUNTU-CVE-2019-9798.