CVE-2019-20052 Denial of service in n/a
A memory leak in the Matio library allows attackers to cause a denial of service by triggering a specific calculation error.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-20052?
CVE-2019-20052 is a medium-severity denial of service vulnerability in n/a, published on 27 Dec 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.
Weakness: CWE-401
Which versions are affected by CVE-2019-20052?
It affects 1 product.
Products include Matio Project Matio.
How do I fix CVE-2019-20052?
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-2019-20052 being exploited?
There is no known exploitation of CVE-2019-20052 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6hvm-256w-h2qv, MGASA-2021-0285, MGASA-2021-0558.