McAfee Web Gateway GNU Bash Code Injection (SB10085) (Shellshock)

This script is Copyright (C) 2014-2017 Tenable Network Security, Inc.


Synopsis :

The remote host is affected by a code injection vulnerability known as
Shellshock.

Description :

The remote host has a version of McAfee Web Gateway (MWG) installed
that is affected by a command injection vulnerability in GNU Bash
known as Shellshock. The vulnerability is due to the processing of
trailing strings after function definitions in the values of
environment variables. This allows a remote attacker to execute
arbitrary code via environment variable manipulation depending on the
configuration of the system.

See also :

https://kc.mcafee.com/corporate/index?page=content&id=SB10085
https://kc.mcafee.com/corporate/index?page=content&id=KB83022
http://seclists.org/oss-sec/2014/q3/650
https://www.invisiblethreat.ca/post/shellshock/

Solution :

Apply the relevant patch per the vendor advisory.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 9.0
(CVSS2#E:POC/RL:ND/RC:ND)
Public Exploit Available : true

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