CVE-2019-0821HighCVSS 6.5

Windows SMB Information Disclosure Vulnerability

Published
March 12, 2019
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2019-0821 →

📋 Description

An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests. An authenticated attacker who successfully exploited this vulnerability could craft a special packet, which could lead to information disclosure from the server. To exploit the vulnerability, an attacker would have to be able to authenticate and send SMB messages to an impacted Windows SMB Server The security update addresses the vulnerability by correcting how Windows SMB Server handles authenticated requests.

🎯 Affected products38

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1703 for 32-bit Systems
  • Windows 10 Version 1703 for x64-based Systems
  • Windows 10 Version 1709 for 32-bit Systems
  • Windows 10 Version 1709 for ARM64-based Systems
  • Windows 10 Version 1709 for x64-based Systems
  • Windows 10 Version 1803 for 32-bit Systems
  • Windows 10 Version 1803 for ARM64-based Systems
  • Windows 10 Version 1803 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 7 for 32-bit Systems Service Pack 1
  • Windows 7 for x64-based Systems Service Pack 1
  • Windows 8.1 for 32-bit systems
  • Windows 8.1 for x64-based systems
  • Windows RT 8.1
  • Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for Itanium-Based Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • +8 more not shown

✅ Remediation

KB4489871 (Security Update) KB4489868 (Security Update) KB4489899 (Security Update) KB4489886 (Security Update) KB4489872 (Security Update) KB4489882 (Security Update) KB4489878 (Monthly Rollup) KB4489885 (Security Only) KB4489881 (Monthly Rollup) KB4489883 (Security Only) KB4489880 (Monthly Rollup) KB4489876 (Security Only) KB4489891 (Monthly Rollup) KB4489884 (Security Only)

🔗 References (24)