CVE-2020-1209: Windows Network List Service Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7)

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2020-Jun

Released

2020-06-09

EPSS Score

12.13% (percentile: 93.8%)

Description

An elevation of privilege vulnerability exists in the way that the Windows Network List Service handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows Network List Service properly handles objects in memory.

Affected Products (12)

Windows

• Windows 10 Version 2004 for 32-bit Systems
• Windows Server, version 2004 (Server Core installation)
• Windows 10 Version 2004 for x64-based Systems
• Windows 10 Version 2004 for ARM64-based Systems
• Windows 10 Version 1909 for 32-bit Systems
• Windows 10 Version 1909 for x64-based Systems
• Windows 10 Version 1909 for ARM64-based Systems
• Windows Server, version 1909 (Server Core installation)
• Windows 10 Version 1903 for 32-bit Systems
• Windows 10 Version 1903 for x64-based Systems
• Windows 10 Version 1903 for ARM64-based Systems
• Windows Server, version 1903 (Server Core installation)

Security Updates (2)

• 4557957
• 4560960

Acknowledgments

Zhiniang Peng <a href="https://twitter.com/edwardzpeng"> (@edwardzpeng) </a> of Qihoo 360 & Haoran Qin (@atQ4n) working with <a href="https://bugcloud.360.cn">360 BugCloud</a>

Revision History

• 2020-06-09: Information published.