PT-2021-14573 · Dell · Dell Supportassist Client Promanage+2

Richard Warren · Published 2021-03-12 · Updated 2021-03-19 · CVE-2021-21518

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Dell SupportAssist Client for Consumer PCs versions 3.3.x through 3.7.x Dell SupportAssist Client for Business PCs versions 2.0.x through 2.2.x Dell SupportAssist Client ProManage version 1.x

Description A local user with low privileges could potentially exploit a DLL injection vulnerability in the Costura Fody plugin, leading to the execution of arbitrary executables on the operating system with SYSTEM privileges.

Recommendations For Dell SupportAssist Client for Consumer PCs versions 3.3.x through 3.7.x, update to a version that fixes the DLL injection vulnerability in the Costura Fody plugin. For Dell SupportAssist Client for Business PCs versions 2.0.x through 2.2.x, update to a version that fixes the DLL injection vulnerability in the Costura Fody plugin. For Dell SupportAssist Client ProManage version 1.x, update to a version that fixes the DLL injection vulnerability in the Costura Fody plugin.

Fix

Uncontrolled Search Path Element

Weakness Enumeration

CWE-427

Related Identifiers

CVE-2021-21518

Affected Products

Dell Supportassist Client Promanage

Dell Supportassist Client For Business Pcs

Dell Supportassist Client For Consumer Pcs

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-21518 · Security Note
• https://dell.com/support/kbdoc/en-us/000184012/dsa-2021-052-dell-supportassist-for-home-pcs-business-pcs-security-update-for-pc-doctor-plugin-vulnerability · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21518 · Vendor Advisory
• https://t.me/cibsecurity/24867 · Telegram Post