CVE-2018-20817 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Activision	Call Of Duty\	_advanced_warfare

Related Weaknesses (CWE)

CWE-119

References

https://github.com/RektInator/cod-steamauth-rceExploitThird Party Advisory
https://github.com/momo5502/cod-exploits/tree/master/steam-authThird Party Advisory
https://github.com/RektInator/cod-steamauth-rceExploitThird Party Advisory
https://github.com/momo5502/cod-exploits/tree/master/steam-authThird Party Advisory

FAQ

What is CVE-2018-20817?

CVE-2018-20817 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 re...

How severe is CVE-2018-20817?

CVE-2018-20817 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-20817?

Check the references section above for vendor advisories and patch information. Affected products include: Activision Call Of Duty\.