Scientific Linux Security Update : bash on SL5.x, SL6.x i386/x86_64 (20140924) (Shellshock)

critical Nessus Plugin ID 77865

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

A flaw was found in the way Bash evaluated certain specially crafted environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Certain services and applications allow remote unauthenticated attackers to provide environment variables, allowing them to exploit this issue.
(CVE-2014-6271)

For additional information on the CVE-2014-6271 flaw, refer to https://securityblog.redhat.com/2014/09/24/bash-specially crafted-environment-variables-code-injection-attack/

Solution

Update the affected bash, bash-debuginfo and / or bash-doc packages.

See Also

http://www.nessus.org/u?d4dfe3fd

Plugin Details

Severity: Critical

ID: 77865

File Name: sl_20140924_bash_on_SL5_x.nasl

Version: 1.18

Type: local

Agent: unix

Published: 9/26/2014

Updated: 1/31/2022

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:bash, p-cpe:/a:fermilab:scientific_linux:bash-debuginfo, p-cpe:/a:fermilab:scientific_linux:bash-doc, x-cpe:/o:fermilab:scientific_linux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/24/2014

Vulnerability Publication Date: 9/24/2014

CISA Known Exploited Dates: 7/28/2022

Exploitable With

Core Impact

Metasploit (Apache mod_cgi Bash Environment Variable Code Injection (Shellshock))

Reference Information

CVE: CVE-2014-6271

IAVA: 2014-A-0142