RHEL 7 : bash (RHSA-2020:1113)

High Nessus Plugin ID 135062

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1113 advisory.

- bash: BASH_CMD is writable in restricted bash shells (CVE-2019-9924)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

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

See Also

https://cwe.mitre.org/data/definitions/138.html

https://access.redhat.com/errata/RHSA-2020:1113

https://access.redhat.com/security/cve/CVE-2019-9924

Plugin Details

Severity: High

ID: 135062

File Name: redhat-RHSA-2020-1113.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/04/01

Updated: 2020/04/21

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS Score Source: CVE-2019-9924

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7::client, cpe:/o:redhat:enterprise_linux:7::computenode, cpe:/o:redhat:enterprise_linux:7::server, cpe:/o:redhat:enterprise_linux:7::workstation, p-cpe:/a:redhat:enterprise_linux:bash, p-cpe:/a:redhat:enterprise_linux:bash-doc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/03/31

Vulnerability Publication Date: 2019/03/22

Reference Information

CVE: CVE-2019-9924

BID: 109277

RHSA: 2020:1113

CWE: 138