CVE-2015-4717 Denial of service in n/a
Remote attackers can cause denial of service via infinite loops and log consumption by exploiting filename sanitization flaws in ownCloud Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-4717?
CVE-2015-4717 is a high-severity denial of service vulnerability in Owncloud Owncloud, published on 21 Oct 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The filename sanitization component in ownCloud Server before 6.0.8, 7.0.x before 7.0.6, and 8.0.x before 8.0.4 does not properly handle $_GET parameters cast by PHP to an array, which allows remote attackers to cause a denial of service (infinite loop and log file consumption) via crafted endpoint file names.
Weakness: CWE-399
Which versions are affected by CVE-2015-4717?
It affects 2 products.
Products include Owncloud Owncloud, Owncloud Owncloud Server.
How do I fix CVE-2015-4717?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-4717 being exploited?
There is no known exploitation of CVE-2015-4717 in the wild and no public exploit code.
Other vulnerabilities in Owncloud Owncloud
Sources
Also known as GHSA-f964-5xjr-pjjv.