Vulnerability identifier: #VU24706

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7952

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Dota 2
Client/Desktop applications / Games

Vendor: Valve Software

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Dota 2: 7.00 - 7.23e

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External links
http://github.com/bi7s/CVE/tree/master/CVE-2020-7952

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.