CVE-2017-5381 Path traversal in Firefox
An attacker can save certificate content to arbitrary filesystem locations via path traversal in the Certificate Viewer export function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5381?
CVE-2017-5381 is a high-severity path traversal vulnerability in Mozilla Firefox, published on 11 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The "export" function in the Certificate Viewer can force local filesystem navigation when the "common name" in a certificate contains slashes, allowing certificate content to be saved in unsafe locations with an arbitrary filename. This vulnerability affects Firefox < 51.
Weakness: CWE-22
Which versions are affected by CVE-2017-5381?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2017-5381?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-5381 being exploited?
There is no known exploitation of CVE-2017-5381 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-jw7x-8w43-2mrj, UBUNTU-CVE-2017-5381.