CVE-2020-1364: Windows WalletService Denial of Service Vulnerability

Overview

Severity
High (CVSS 7.1)
CVSS Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C
Category
Denial of Service
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2020-Jul
Released
2020-07-14
EPSS Score
0.23% (percentile: 45.7%)

Description

A denial of service vulnerability exists in the way that the WalletService handles files. An attacker who successfully exploited the vulnerability could corrupt system files. To exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application. The security update addresses the vulnerability by correcting how the WalletService handles files.

Affected Products (29)

Windows

  • Windows 10 Version 2004 for x64-based Systems
  • Windows 10 Version 2004 for ARM64-based Systems
  • Windows 10 Version 2004 for 32-bit Systems
  • Windows Server, version 2004 (Server Core installation)
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1709 for 32-bit Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1903 for ARM64-based Systems
  • Windows 10 Version 1803 for 32-bit Systems
  • Windows 10 Version 1903 for x64-based Systems
  • Windows 10 Version 1709 for ARM64-based Systems
  • Windows 10 Version 1803 for x64-based Systems
  • Windows 10 Version 1709 for x64-based Systems
  • Windows 10 Version 1803 for ARM64-based Systems
  • Windows Server 2019
  • Windows Server, version 1903 (Server Core installation)
  • Windows Server 2019 (Server Core installation)
  • Windows 10 Version 1903 for 32-bit Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows Server 2016
  • Windows 10 Version 1607 for x64-based Systems
  • Windows Server 2016 (Server Core installation)
  • Windows 10 Version 1909 for 32-bit Systems
  • Windows 10 Version 1909 for x64-based Systems
  • Windows Server, version 1909 (Server Core installation)
  • Windows 10 Version 1909 for ARM64-based Systems

Security Updates (7)

Acknowledgments

Zhiniang Peng (@edwardzpeng) & Haoran Qin

Revision History

  • 2020-07-14: Information published.