CVE-2020-1031HighCVSS 7.5

Windows DHCP Server Information Disclosure Vulnerability

Published
September 8, 2020
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2020-1031 →

📋 Description

An information disclosure vulnerability exists in the way that the Windows Server DHCP service improperly discloses the contents of its memory. To exploit the vulnerability, an unauthenticated attacker could send a specially crafted packet to an affected DHCP server. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. The security update addresses the vulnerability by correcting how DHCP servers initializes memory.

🎯 Affected products44

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 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 Version 1903 for 32-bit Systems
  • Windows 10 Version 1903 for ARM64-based Systems
  • Windows 10 Version 1903 for x64-based Systems
  • Windows 10 Version 1909 for 32-bit Systems
  • Windows 10 Version 1909 for ARM64-based Systems
  • Windows 10 Version 1909 for x64-based Systems
  • Windows 10 Version 2004 for 32-bit Systems
  • Windows 10 Version 2004 for ARM64-based Systems
  • Windows 10 Version 2004 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 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
  • +14 more not shown

✅ Remediation

KB4571756 (Security Update) KB4577032 (Security Update) KB4570333 (Security Update) KB4574727 (Security Update) KB4577041 (Security Update) KB4577049 (Security Update) KB4577015 (Security Update) KB4577051 (Monthly Rollup) KB4577053 (Security Only) KB4577066 (Monthly Rollup) KB4577071 (Security Only) KB4577064 (Monthly Rollup) KB4577070 (Security Only) KB4577038 (Monthly Rollup) KB4577048 (Security Only)

🔗 References (28)