CVE-2023-39249: supportassist for — Fix

Description

Dell SupportAssist for Business PCs version 3.4.0 contains a local Authentication Bypass vulnerability that allows locally authenticated non-admin users to gain temporary privilege within the SupportAssist User Interface on their respective PC. The Run as Admin temporary privilege feature enables IT/System Administrators to perform driver scans and Dell-recommended driver installations without requiring them to log out of the local non-admin user session. However, the granted privilege is limited solely to the SupportAssist User Interface and automatically expires after 15 minutes.

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CVSS v3.1 Score

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-280 CWE-280

Affected Products

Vendor	Product	Versions
dell	supportassist_for_home_pcs	All

References

Advisories & Patches

https://www.dell.com/support/kbdoc/en-us/000216574/security-update-for-dell-supportassist-for-business-pcs-vulnerability https://www.dell.com/support/kbdoc/en-us/000216574/security-update-for-dell-supportassist-for-business-pcs-vulnerability

Frequently Asked Questions

What is CVE-2023-39249? +

Dell SupportAssist for Business PCs version 3.4.0 contains a local Authentication Bypass vulnerability that allows locally authenticated non-admin users to gain temporary privilege within the SupportAssist User Interface on their respective PC. The Run as Admin temporary privilege feature enables IT/System Administrators to perform driver scans and Dell-recommended driver installations without requiring them to log out of the local non-admin user session. However, the granted privilege is limited solely to the SupportAssist User Interface and automatically expires after 15 minutes. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2023-39249? +

CVE-2023-39249 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-39249? +

CVE-2023-39249 affects products from dell, specifically: supportassist_for_home_pcs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-39249? +

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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