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symantecSymantec Security ResponseSMNTC-103649
HistoryApr 10, 2018 - 12:00 a.m.

Microsoft Active Directory CVE-2018-0890 Security Bypass Vulnerability

2018-04-1000:00:00
Symantec Security Response
www.symantec.com
11

0.005 Low

EPSS

Percentile

74.1%

Description

Microsoft Active Directory is prone to a security-bypass vulnerability. An attacker can exploit this issue to bypass certain security restrictions and perform unauthorized actions; this may aid in launching further attacks.

Technologies Affected

  • Microsoft Windows 10 Version 1607 for 32-bit Systems
  • Microsoft Windows 10 Version 1607 for x64-based Systems
  • Microsoft Windows 10 version 1703 for 32-bit Systems
  • Microsoft Windows 10 version 1703 for x64-based Systems
  • Microsoft Windows 10 version 1709 for 32-bit Systems
  • Microsoft Windows 10 version 1709 for x64-based Systems
  • Microsoft Windows Server 2016

Recommendations

Block external access at the network boundary, unless external parties require service.
Filter access to the affected computer at the network boundary if global access isn’t required. Restricting access to only trusted computers and networks might greatly reduce the likelihood of exploits.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for anomalous or suspicious activity. Monitor logs generated by NIDS and by the server itself for evidence of attacks against the server.

Permit privileged access for trusted individuals only.
Permitting access to vulnerable applications for trusted individuals only can reduce the risk of an exploit.

Updates are available. Please see the references or vendor advisory for more information.

0.005 Low

EPSS

Percentile

74.1%