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

critical Nessus Plugin ID 150973
New! Plugin Severity Now Using CVSS v3

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Synopsis

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

Description

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.

Solution

Run 'yum update bzip2' to update your system.

See Also

https://access.redhat.com/security/cve/CVE-2019-12900

https://alas.aws.amazon.com/AL2/ALAS-2021-1652.html

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

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-12900

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3

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

Vulnerability Information

CPE: cpe:2.3:o:amazon:linux:2:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:bzip2:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:bzip2-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:bzip2-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:bzip2-libs:*:*:*:*:*:*:*

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