CVE-2020-11937 Resource exhaustion vulnerability in whoopsie
A local attacker can cause a denial of service in whoopsie via a crafted file that triggers resource exhaustion through a memory leak.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-11937?
CVE-2020-11937 is a medium-severity denial of service vulnerability in Canonical whoopsie, published on 6 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In whoopsie, parse_report() from whoopsie.c allows a local attacker to cause a denial of service via a crafted file. The DoS is caused by resource exhaustion due to a memory leak. Fixed in 0.2.52.5ubuntu0.5, 0.2.62ubuntu0.5 and 0.2.69ubuntu0.1.
Which versions are affected by CVE-2020-11937?
It affects 1 product.
Products include Canonical Whoopsie.
How do I fix CVE-2020-11937?
Apply the vendor's patch.
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-2020-11937 being exploited?
There is no known exploitation of CVE-2020-11937 in the wild and no public exploit code.
Sources
Also known as GHSA-fcfw-r6pj-x447, UBUNTU-CVE-2020-11937.