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CVE-2022-50971— Malwarebytes 4.5 Unquoted Service Path Privilege Escalation

Quick assessment

Affected
Malwarebytes Malwarebytes
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Malwarebytes是美国Malwarebytes公司的一款可为设备提供反恶意软件功能的应用软件。该软件旨在抵御病毒、间谍软件、特洛伊木马、蠕虫、拨号程序等恶意软件。 Malwarebytes 4.5.0版本存在权限许可和访问控制问题漏洞，该漏洞源于MBAMService executable服务路径未用引号括起来，可能导致本地攻击者在系统根路径注入恶意代码，从而提升权限。

CVSS 7.8 · High EPSS 0.22% · P12

Affected Version Matrix 1

VendorProduct Version RangeStatus
Malwarebytes Malwarebytes 4.5.0 affected
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I. Basic Information for CVE-2022-50971

Vulnerability Information
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Vulnerability Title
Malwarebytes 4.5 Unquoted Service Path Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
Malwarebytes 4.5 contains an unquoted service path vulnerability in the MBAMService executable that allows local attackers to escalate privileges by injecting malicious code into the system root path. Attackers can place executable files in unquoted path directories that execute with LocalSystem privileges during service startup or system reboot.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经引用的搜索路径或元素
Source: CVE Program / CVE List V5
Vulnerability Title
Malwarebytes 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Malwarebytes是美国Malwarebytes公司的一款可为设备提供反恶意软件功能的应用软件。该软件旨在抵御病毒、间谍软件、特洛伊木马、蠕虫、拨号程序等恶意软件。 Malwarebytes 4.5.0版本存在权限许可和访问控制问题漏洞，该漏洞源于MBAMService executable服务路径未用引号括起来，可能导致本地攻击者在系统根路径注入恶意代码，从而提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Malwarebytes Malwarebytes 4.5.0 -

II. Public POCs for CVE-2022-50971

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III. Intelligence Information for CVE-2022-50971

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Vendor Advisories for CVE-2022-50971 (1)

Exploits & Public PoCs for CVE-2022-50971 (1)

Vendor Pages for CVE-2022-50971 (2)

IV. Related Vulnerabilities

Same vendor: Malwarebytes
Same weakness: CWE-428

V. Comments for CVE-2022-50971

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