CVE-2016-4591 Path traversal in n/a
Remote attackers can access the local filesystem due to improper handling of location variables in WebKit, affecting iOS, Safari, and tvOS users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4591?
CVE-2016-4591 is a high-severity path traversal vulnerability in Apple Webkit, published on 22 Jul 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
Weakness: CWE-284
Which versions are affected by CVE-2016-4591?
It affects 1 product.
Products include Apple Webkit.
How do I fix CVE-2016-4591?
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-2016-4591 being exploited?
There is no known exploitation of CVE-2016-4591 in the wild and no public exploit code.
Other vulnerabilities in Apple Webkit
Sources
Also known as DEBIAN-CVE-2016-4591, GHSA-528c-rrj8-7mch, UBUNTU-CVE-2016-4591.