CVE-2020-7949 Memory corruption in n/a
Remote attackers can achieve code execution or denial of service in Dota 2 by inviting victims to a server with a crafted map.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-7949?
CVE-2020-7949 is a high-severity memory corruption vulnerability in n/a, published on 27 Jan 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
schemasystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is mishandled during a GetValue call.
Which versions are affected by CVE-2020-7949?
It affects 1 product.
Products include Valvesoftware Dota 2.
How do I fix CVE-2020-7949?
No fix has been published for CVE-2020-7949 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-2020-7949 being exploited?
There is no known exploitation of CVE-2020-7949 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hhpc-f2cg-h393.