CVE-2024-42053: streamer Permission Flaw (CVSS 7.8)

Description

The MSI installer for Splashtop Streamer for Windows before 3.6.0.0 uses a temporary folder with weak permissions during installation. A local user can exploit this to escalate privileges to SYSTEM by placing a version.dll file in the folder.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-276 Incorrect Default Permissions

Affected Products

Vendor	Product	Versions
splashtop	streamer	< 3.6.0.0

References

Other References

https://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/2.md https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/18223802896539-Splashtop-Streamer-version-v3-6-0-0-for-Windows-released https://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/2.md https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/18223802896539-Splashtop-Streamer-version-v3-6-0-0-for-Windows-released

Frequently Asked Questions

What is CVE-2024-42053? +

The MSI installer for Splashtop Streamer for Windows before 3.6.0.0 uses a temporary folder with weak permissions during installation. A local user can exploit this to escalate privileges to SYSTEM by placing a version.dll file in the folder. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-42053? +

CVE-2024-42053 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-42053? +

CVE-2024-42053 affects products from splashtop, specifically: streamer. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42053? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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