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CVE-2024-7834— Local privilege escalation in Overwolf

Quick assessment

Affected
Overwolf Overwolf
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.

Overwolf是以色列Overwolf公司的一款支持使用HTML和JavaScript构建游戏的框架。 Overwolf 250.1.1之前版本存在安全漏洞，该漏洞源于在启动时从SYSTEM上下文中的用户可写文件夹加载并执行某些动态链接库文件，导致本地权限提升，允许对系统具有非特权访问权限的攻击者通过在相应位置放置恶意dll文件以SYSTEM权限运行任意代码。

CVSS 7.8 · High EPSS 0.30% · P22

Possible ATT&CK Techniques 2 AI

T1055 · Process Injection T1574.001 · DLL
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I. Basic Information for CVE-2024-7834

Vulnerability Information
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Vulnerability Title
Local privilege escalation in Overwolf
Source: CVE Program / CVE List V5
Vulnerability Description
A local privilege escalation is caused by Overwolf loading and executing certain dynamic link library files from a user-writeable folder in SYSTEM context on launch. This allows an attacker with unprivileged access to the system to run arbitrary code with SYSTEM privileges by placing a malicious .dll file in the respective location.
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
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Overwolf 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Overwolf是以色列Overwolf公司的一款支持使用HTML和JavaScript构建游戏的框架。 Overwolf 250.1.1之前版本存在安全漏洞，该漏洞源于在启动时从SYSTEM上下文中的用户可写文件夹加载并执行某些动态链接库文件，导致本地权限提升，允许对系统具有非特权访问权限的攻击者通过在相应位置放置恶意dll文件以SYSTEM权限运行任意代码。
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
Overwolf Overwolf 0 ~ 250.1.1 -

II. Public POCs for CVE-2024-7834

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III. Intelligence Information for CVE-2024-7834

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IV. Related Vulnerabilities

Same weakness: CWE-427

V. Comments for CVE-2024-7834

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