Buffer overflow in Dota 2 - CVE-2020-7952

 

Buffer overflow in Dota 2 - CVE-2020-7952

Published: January 28, 2020


Vulnerability identifier: #VU24706
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-7952
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Valve Software
Affected software:
Dota 2

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack or execute arbitrary code.

The vulnerability exists due to a boundary error in "rendersystemdx9.dll". A remote attacker can create a gaming server, invite a victim to this server, because a crafted map is affected by memory corruption and execute arbitrary code or cause a denial of service condition on the target system.


How to mitigate CVE-2020-7952

Install updates from vendor's website.

Sources