Amazon Linux 2 : python-pillow (ALAS-2023-2118)

high Nessus Plugin ID 178527

Synopsis

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

Description

The version of python-pillow installed on the remote host is prior to 2.0.0-23.gitd1c6db8. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2118 advisory.

- The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function. (CVE-2021-23437)

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 python-pillow' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2023-2118.html

https://alas.aws.amazon.com/cve/html/CVE-2021-23437.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 178527

File Name: al2_ALAS-2023-2118.nasl

Version: 1.1

Type: local

Agent: unix

Published: 7/20/2023

Updated: 7/20/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-23437

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:python-pillow-devel, p-cpe:/a:amazon:linux:python-pillow-tk, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:python-pillow-sane, p-cpe:/a:amazon:linux:python-pillow-debuginfo, p-cpe:/a:amazon:linux:python-pillow, p-cpe:/a:amazon:linux:python-pillow-doc

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/5/2023

Vulnerability Publication Date: 9/3/2021

Reference Information

CVE: CVE-2021-23437