Amazon Linux 2 : bzip2 (ALAS-2021-1652)

critical Nessus Plugin ID 150973


The remote Amazon Linux 2 host is missing a security update.


The version of bzip2 installed on the remote host is prior to 1.0.6-13. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1652 advisory.

- BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors. (CVE-2019-12900)

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


Run 'yum update bzip2' to update your system.

See Also

Plugin Details

Severity: Critical

ID: 150973

File Name: al2_ALAS-2021-1652.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/23/2021

Updated: 6/23/2021

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

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS Score Source: CVE-2019-12900


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:bzip2, p-cpe:/a:amazon:linux:bzip2-debuginfo, p-cpe:/a:amazon:linux:bzip2-devel, p-cpe:/a:amazon:linux:bzip2-libs, cpe:/o:amazon:linux:2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/16/2021

Vulnerability Publication Date: 6/19/2019

Reference Information

CVE: CVE-2019-12900

IAVA: 2020-A-0482

ALAS: 2021-1652