CVE-2015-4505 Path traversal in n/a
Local attackers can write arbitrary files via junction attacks during Firefox updates, potentially leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-4505?
CVE-2015-4505 is a medium-severity path traversal vulnerability in Mozilla Firefox, published on 24 Sep 2015. 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
updater.exe in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 on Windows allows local users to write to arbitrary files by conducting a junction attack and waiting for an update operation by the Mozilla Maintenance Service.
Weakness: CWE-264
Which versions are affected by CVE-2015-4505?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2015-4505?
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-2015-4505 being exploited?
There is no known exploitation of CVE-2015-4505 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-wmp9-284v-m552.