NVD Vulnerability Detail

CVE-2020-36603

Summary	The HoYoVerse (formerly miHoYo) Genshin Impact mhyprot2.sys 1.0.0.0 anti-cheat driver does not adequately restrict unprivileged function calls, allowing local, unprivileged users to execute arbitrary code with SYSTEM privileges on Microsoft Windows systems. The mhyprot2.sys driver must first be installed by a user with administrative privileges.
Publication Date	Sept. 15, 2022, 7:15 a.m.
Registration Date	Sept. 15, 2022, 10 a.m.
Last Update	Nov. 21, 2024, 2:29 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:hoyoverse:mhyprot2:1.0.0.0:::::::*

Related information, measures and tools

No	URL	タグ
1	https://github.com/kagurazakasanae/Mhyprot2DrvControl	Third Party Advisory
2	https://github.com/kagurazakasanae/Mhyprot2DrvControl	Third Party Advisory
3	https://github.com/kkent030315/evil-mhyprot-cli	Third Party Advisory
4	https://github.com/kkent030315/evil-mhyprot-cli	Third Party Advisory
5	https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html	Exploit Third Party Advisory
6	https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html	Exploit Third Party Advisory
7	https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html	Exploit Third Party Advisory
8	https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html	Exploit Third Party Advisory
9	https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims	Exploit Press/Media Coverage Third Party Advisory
10	https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims	Exploit Press/Media Coverage Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

hoyoverse の mhyprot2 における脆弱性

Title	hoyoverse の mhyprot2 における脆弱性
Summary	hoyoverse の mhyprot2 には、不特定の脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	参考情報を参照して適切な対策を実施してください。
Publication Date	Sept. 14, 2022, midnight
Registration Date	Oct. 12, 2023, 5:24 p.m.
Last Update	Oct. 12, 2023, 5:24 p.m.

Affected System

hoyoverse

mhyprot2 1.0.0.0

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2020-36603	https://www.cve.org/CVERecord?id=CVE-2020-36603
National Vulnerability Database (NVD)
2	CVE-2020-36603	https://nvd.nist.gov/vuln/detail/CVE-2020-36603

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-noinfo	https://www.ipa.go.jp/security/vuln/scap/cwe.html

その他

No	Name	URL
関連文書
1	github.com (evil-mhyprot-cli)	https://github.com/kkent030315/evil-mhyprot-cli
2	github.com (Mhyprot2DrvControl)	https://github.com/kagurazakasanae/Mhyprot2DrvControl
3	web.archive.org (001-disclosure-mhyprot)	https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html
4	www.trendmicro.com (ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus)	https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html
5	www.vice.com (hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims)	https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims

Change Log

No	Changed Details	Date of change
1	[2023年10月12日] 掲載	Oct. 12, 2023, 5:24 p.m.