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symantecSymantec Security ResponseSMNTC-103312
HistoryMar 13, 2018 - 12:00 a.m.

Microsoft Internet Explorer CVE-2018-0942 Remote Privilege Escalation Vulnerability

2018-03-1300:00:00
Symantec Security Response
www.symantec.com
19

EPSS

0.002

Percentile

59.0%

Description

Microsoft Internet Explorer is prone to a remote privilege-escalation vulnerability. An attacker can exploit this issue to gain elevated privileges. Successful exploits may aid in further attacks. Internet Explorer 11 is vulnerable.

Technologies Affected

  • Microsoft Internet Explorer 11

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 needed. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.

Run all software as a nonprivileged user with minimal access rights.
To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity such as unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.

Do not follow links provided by unknown or untrusted sources.
Web users should be cautious about following links to sites that are provided by unfamiliar or suspicious sources. Filtering HTML from emails may help remove a possible vector for transmitting malicious links to users.

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