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CVE-2024-31226— Sunshine's unquoted executable path could lead to hijacked execution flow

Quick assessment

Affected
LizardByte Sunshine
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.

Sunshine是Moonlight 自托管游戏直播主机。 Sunshine 0.17.0版本至0.22.2版本存在安全漏洞，该漏洞源于访问权限管理不当。

CVSS 4.9 · Medium EPSS 0.22% · P11

Possible ATT&CK Techniques 2 AI

T1055 · Process Injection T1506
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I. Basic Information for CVE-2024-31226

Vulnerability Information
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Vulnerability Title
Sunshine's unquoted executable path could lead to hijacked execution flow
Source: CVE Program / CVE List V5
Vulnerability Description
Sunshine is a self-hosted game stream host for Moonlight. Users who ran Sunshine versions 0.17.0 through 0.22.2 as a service on Windows may be impacted when terminating the service if an attacked placed a file named `C:\Program.exe`, `C:\Program.bat`, or `C:\Program.cmd` on the user's computer. This attack vector isn't exploitable unless the user has manually loosened ACLs on the system drive. If the user's system locale is not English, then the name of the executable will likely vary. Version 0.23.0 contains a patch for the issue. Some workarounds are available. One may identify and block potentially malicious software executed path interception by using application control tools, like Windows Defender Application Control, AppLocker, or Software Restriction Policies where appropriate. Alternatively, ensure that proper permissions and directory access control are set to deny users the ability to write files to the top-level directory `C:`. Require that all executables be placed in write-protected directories.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:L/I:L/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
Sunshine 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sunshine是Moonlight 自托管游戏直播主机。 Sunshine 0.17.0版本至0.22.2版本存在安全漏洞，该漏洞源于访问权限管理不当。
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
LizardByte Sunshine >= 0.17.0, < 0.23.0 -

II. Public POCs for CVE-2024-31226

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III. Intelligence Information for CVE-2024-31226

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Patches & Fixes for CVE-2024-31226 (2)

Vendor Advisories for CVE-2024-31226 (1)

IV. Related Vulnerabilities

Same product: Sunshine
Same vendor: LizardByte
Same weakness: CWE-428

V. Comments for CVE-2024-31226

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