Amazon Linux 2 : tar (ALAS-2024-2390)

high Nessus Plugin ID 187835

Synopsis

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

Description

The version of tar installed on the remote host is prior to 1.26-35. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2024-2390 advisory.

- It was discovered that tar incorrectly handled extended attributes in PAX archives. An attacker could supply a specially crafted file and cause tar to crash, resulting in a denial of service. (CVE-2023-39804) (CVE-2023-39804)

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 tar' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2024-2390.html

https://alas.aws.amazon.com/cve/html/CVE-2023-39804.html

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

Plugin Details

Severity: High

ID: 187835

File Name: al2_ALAS-2024-2390.nasl

Version: 1.0

Type: local

Agent: unix

Published: 1/9/2024

Updated: 1/9/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2023-39804

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:tar, p-cpe:/a:amazon:linux:tar-debuginfo, 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: 1/3/2024

Vulnerability Publication Date: 1/3/2024

Reference Information

CVE: CVE-2023-39804