Improper privilege management in repair process of MA for Windows
CVE-2021-31847

8.2HIGH

Key Information:

Vendor

Mcafee,llc

Status
Mcafee Agent For Windows
Vendor
CVE Published:
22 September 2021

What is CVE-2021-31847?

Improper access control vulnerability in the repair process for McAfee Agent for Windows prior to 5.7.4 could allow a local attacker to perform a DLL preloading attack using unsigned DLLs. This would result in elevation of privileges and the ability to execute arbitrary code as the system user, through not correctly protecting a temporary directory used in the repair process and not checking the DLL signature.

Affected Version(s)

McAfee Agent for Windows Windows < 5.7.4

References

https://kc.mcafee.com/corporate/index?page=content&id=SB1...
x_refsource_CONFIRM
https://www.zerodayinitiative.com/advisories/ZDI-21-1104/
x_refsource_MISC

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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