Detections
Analytics

Amazon Linux AMI : bash (ALAS-2020-1379)

high Nessus Plugin ID 138052

Language:

Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell. (CVE-2019-9924)

Solution

Run 'yum update bash' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2020-1379.html

Plugin Details

Severity: High

ID: 138052

File Name: ala_ALAS-2020-1379.nasl

Version: 1.3

Type: local

Agent: unix

Published: 7/2/2020

Updated: 3/5/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-9924

CVSS v3

Risk Factor: High

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: p-cpe:/a:amazon:linux:bash, p-cpe:/a:amazon:linux:bash-debuginfo, p-cpe:/a:amazon:linux:bash-doc, cpe:/o:amazon:linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/26/2020

Vulnerability Publication Date: 3/22/2019

Reference Information

CVE: CVE-2019-9924

ALAS: 2020-1379