CVE-2020-6996 Memory corruption in Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01
A stack-based buffer overflow in Triangle MicroWorks DNP3 libraries allows remote attackers to execute arbitrary code or cause denial of service without authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-6996?
CVE-2020-6996 is a critical memory corruption vulnerability in Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01, published on 15 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01. A specially crafted message may cause a stack-based buffer overflow. Authentication is not required to exploit this vulnerability.
Which versions are affected by CVE-2020-6996?
It affects 1 product.
Products include Trianglemicroworks Dnp3 Source Code Library.
How do I fix CVE-2020-6996?
No fix has been published for CVE-2020-6996 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-6996 being exploited?
There is no known exploitation of CVE-2020-6996 in the wild and no public exploit code.
Sources
Also known as GHSA-mx68-p78j-fv2c.