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FreeBSD : bash -- remote code execution (512d1301-49b9-11e4-ae2c-c80aa9043978) (Shellshock)

high Nessus Plugin ID 78016

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Note that this is different than the public 'Shellshock' issue.

Specially crafted environment variables could lead to remote arbitrary code execution. This was fixed in bash 4.3.27, however the port was patched with a mitigation in 4.3.25_2.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?40115cbd

http://www.nessus.org/u?f56a1f8d

Plugin Details

Severity: High

ID: 78016

File Name: freebsd_pkg_512d130149b911e4ae2cc80aa9043978.nasl

Version: 1.15

Type: local

Published: 10/2/2014

Updated: 10/2/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2014-6278

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:bash, p-cpe:/a:freebsd:freebsd:bash-static

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/1/2014

Vulnerability Publication Date: 9/27/2014

CISA Known Exploited Vulnerability Due Dates: 10/23/2025

Exploitable With

Core Impact

Metasploit (CUPS Filter Bash Environment Variable Code Injection (Shellshock))

Reference Information

CVE: CVE-2014-6277, CVE-2014-6278

IAVA: 2014-A-0142