Authentication bypass in McAfee Web Gateway - CVE-2018-6667

 

Authentication bypass in McAfee Web Gateway - CVE-2018-6667

Published: June 14, 2018 / Updated: June 15, 2018


Vulnerability identifier: #VU13342
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-6667
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: McAfee
Affected software:
McAfee Web Gateway

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication and execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote unauthenticated attacker can send specially crafted data to the Java management extensions (JMX) service on the administrative user interface via TCP port 1099, bypass authentication and execute arbitrary code.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-6667

Update to version 7.8.1.6.

Sources