CVE-2020-1031: Windows DHCP Server Information Disclosure Vulnerability

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
Category
Information Disclosure
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2020-Sep
Released
2020-09-08
EPSS Score
16.42% (percentile: 94.9%)

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.

FAQ

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is uninitialized memory.

Affected Products (44)

Other

  • 11766
  • 11767
  • 11768
  • 11769
  • 11497
  • 11498
  • 11563
  • 11568
  • 11569
  • 11570
  • 11571
  • 11572
  • 11712
  • 11713
  • 11714
  • 11715
  • 11453
  • 11454
  • 11583
  • 11644
  • 11645
  • 11646
  • 11647
  • 10729
  • 10735
  • 10852
  • 10853
  • 10816
  • 10855
  • 10047
  • 10048
  • 10481
  • 10482
  • 10484
  • 9312
  • 10287
  • 9318
  • 9344
  • 10051
  • 10049
  • 10378
  • 10379
  • 10483
  • 10543

Security Updates (15)

Acknowledgments

WenQunWang from Codesafe Team of Legendsec at Qi'anxin Group

Revision History

  • 2020-09-08: Information published.