CVE-2013-6401 Denial of service in n/a
Attackers can cause denial of service via CPU exhaustion by sending crafted JSON documents to applications using the Jansson library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-6401?
CVE-2013-6401 is a medium-severity denial of service vulnerability in n/a, published on 20 Mar 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted JSON document.
Weakness: CWE-310
Which versions are affected by CVE-2013-6401?
It affects 1 product.
Products include Jansson Project Jansson.
How do I fix CVE-2013-6401?
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-2013-6401 being exploited?
There is no known exploitation of CVE-2013-6401 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2013-6401, GHSA-qjq9-rwgx-jjhc, UBUNTU-CVE-2013-6401, openSUSE-SU-2024:10331-1.