GNU Bash Environment Variable Handling Code Injection (Shellshock)

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


Synopsis :

The remote web server is affected by a remote code execution
vulnerability.

Description :

The remote web server 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 :

http://seclists.org/oss-sec/2014/q3/650
http://www.nessus.org/u?dacf7829
https://www.invisiblethreat.ca/post/shellshock/

Solution :

Apply the referenced patch.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.3
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: CGI abuses

Nessus Plugin ID: 77829 ()

Bugtraq ID: 70103

CVE ID: CVE-2014-6271

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