CVE-2018-20817 Memory corruption in n/a
Remote attackers can execute arbitrary code on the target machine by sending a malicious Steam authentication request due to a missing size check.
- 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-2018-20817?
CVE-2018-20817 is a critical memory corruption vulnerability in n/a, published on 19 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SV_SteamAuthClient in various Activision Infinity Ward Call of Duty games before 2015-08-11 is missing a size check when reading authBlob data into a buffer, which allows one to execute code on the remote target machine when sending a steam authentication request. This affects Call of Duty: Modern Warfare 2, Call of Duty: Modern Warfare 3, Call of Duty: Ghosts, Call of Duty: Advanced Warfare, Call of Duty: Black Ops 1, and Call of Duty: Black Ops 2.
Weakness: CWE-119
Which versions are affected by CVE-2018-20817?
It affects 1 product.
Products include Activision Call of Duty\.
How do I fix CVE-2018-20817?
No fix has been published for CVE-2018-20817 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-2018-20817 being exploited?
There is no known exploitation of CVE-2018-20817 in the wild and no public exploit code.
Sources
Also known as GHSA-jphr-rfwm-72w3.