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Mandriva Linux Security Advisory : bash (MDVSA-2014:190)

critical Nessus Plugin ID 77950

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Synopsis

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

Description

It was found that the fix for CVE-2014-6271 was incomplete, and Bash still allowed certain characters to be injected into other environments via specially crafted environment variables. An attacker could potentially 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-2014-7169, CVE-2014-7186, CVE-2014-7187).

Additionally bash has been updated from patch level 37 to 48 using the upstream patches at ftp://ftp.gnu.org/gnu/bash/bash-4.2-patches/ which resolves various bugs.

Solution

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

See Also

https://access.redhat.com/errata/RHSA-2014:1306

https://access.redhat.com/errata/RHSA-2014:1311

Plugin Details

Severity: Critical

ID: 77950

File Name: mandriva_MDVSA-2014-190.nasl

Version: 1.13

Type: local

Published: 9/29/2014

Updated: 1/31/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

Vulnerability Information

CPE: cpe:/o:mandriva:business_server:1, p-cpe:/a:mandriva:linux:bash, p-cpe:/a:mandriva:linux:bash-doc

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/26/2014

CISA Known Exploited Vulnerability Due Dates: 7/28/2022

Reference Information

CVE: CVE-2014-7169, CVE-2014-7186, CVE-2014-7187

BID: 70137

IAVA: 2014-A-0142

MDVSA: 2014:190