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CVE-2020-1302 - Security Update Guide - Microsoft - Windows Installer Elevation...

 3 years ago
source link: https://msrc.microsoft.com/update-guide/en-us/vulnerability/CVE-2020-1302
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Windows Installer Elevation of Privilege Vulnerability
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Security Vulnerability

Released: 06/09/2020

Assigning CNA:
Microsoft

MITRE CVE-2020-1302

CVSS:3.0 7.8 / 7.0
Base score metrics(8)
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Temporal score metrics(3)
Exploit Code Maturity
Remediation Level
Report Confidence

Please see Common Vulnerability Scoring System for more information on the definition of these metrics.

Executive Summary

An elevation of privilege vulnerability exists in Windows Installer because of the way Windows Installer handles certain filesystem operations.

To exploit the vulnerability, an attacker would require unprivileged execution on the victim system. After successfully exploiting the vulnerability, an attacker could run arbitrary code with elevated privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

The security update addresses the vulnerability by correcting the way Windows Installer handles certain filesystem operations.

Exploitability

The following table provides an exploitability assessment for this vulnerability at the time of original publication.
Publicly Disclosed
Exploited
Exploitability Assessment
Exploitation Less Likely

Acknowledgements

  • Abdelhamid Naceri (halov)
Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See Acknowledgements for more information.

Security Updates

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle.

Disclaimer

The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

Revisions

Version
Revision Date
Description
06/09/2020

Information published.


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