CVE-2019-20016 Denial of service in n/a
Attackers can cause a denial of service via stack consumption in libmysofa due to unrestricted recursive function calls.
- 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-2019-20016?
CVE-2019-20016 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
libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.
Weakness: CWE-787
Which versions are affected by CVE-2019-20016?
It affects 1 product.
Products include Symonics Libmysofa.
How do I fix CVE-2019-20016?
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-2019-20016 being exploited?
There is no known exploitation of CVE-2019-20016 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-20016, GHSA-7m36-g6v3-rhwr, UBUNTU-CVE-2019-20016.