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GLSA-201410-01 : Bash: Multiple vulnerabilities (Shellshock)

high Nessus Plugin ID 78060

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201410-01 (Bash: Multiple vulnerabilities)

 Florian Weimer, Todd Sabin, Michal Zalewski et al. discovered further parsing flaws in Bash. The unaffected Gentoo packages listed in this GLSA contain the official patches to fix the issues tracked as CVE-2014-6277, CVE-2014-7186, and CVE-2014-7187. Furthermore, the official patch known as “function prefix patch” is included which prevents the exploitation of CVE-2014-6278.
 Impact :

 A remote attacker could exploit these vulnerabilities to execute arbitrary commands or cause a Denial of Service condition via various vectors.
 Workaround :

 There is no known workaround at this time.

Solution

All Bash 3.1 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-shells/bash-3.1_p22:3.1' All Bash 3.2 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-shells/bash-3.2_p56:3.2' All Bash 4.0 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-shells/bash-4.0_p43:4.0' All Bash 4.1 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-shells/bash-4.1_p16:4.1' All Bash 4.2 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-shells/bash-4.2_p52'

See Also

https://security.gentoo.org/glsa/201410-01

Plugin Details

Severity: High

ID: 78060

File Name: gentoo_GLSA-201410-01.nasl

Version: 1.26

Type: local

Published: 10/6/2014

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-2014-7187

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

CVSS Score Source: CVE-2014-6278

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:bash, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/4/2014

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, CVE-2014-7186, CVE-2014-7187

BID: 70152, 70154, 70165, 70166

GLSA: 201410-01

IAVA: 2014-A-0142