LizardByte Sunshine up to 0.23.0 on Windows Service C:\Program.exe unquoted search path

Summaryinfo

A vulnerability described as critical has been identified in LizardByte Sunshine up to 0.23.0 on Windows. Impacted is an unknown function of the file C:\Program.exe of the component Service. The manipulation results in unquoted search path. This vulnerability is cataloged as CVE-2024-31226. The attack must be initiated from a local position. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in LizardByte Sunshine up to 0.23.0 on Windows. Affected is an unknown code block of the file C:\Program.exe of the component Service. The manipulation with an unknown input leads to a unquoted search path vulnerability. CWE is classifying the issue as CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2024-31226 since 03/29/2024. The exploitability is told to be difficult. Local access is required to approach this attack. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1574.009 by the MITRE ATT&CK project.

Upgrading to version 0.23.0 eliminates this vulnerability.

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Productinfo

Vendor

• LizardByte

Name

• Sunshine

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23.0

Website

• Product: https://github.com/LizardByte/Sunshine/

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