Amazon Linux 2 : vsftpd, --advisory ALAS2-2026-3176 (ALAS-2026-3176)

medium Nessus Plugin ID 301270

Synopsis

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

Description

The version of vsftpd installed on the remote host is prior to 3.0.2-25. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3176 advisory.

A flaw was found in vsftpd. This vulnerability allows a denial of service (DoS) via an integer overflow in the ls command parameter parsing, triggered by a remote, authenticated attacker sending a crafted STAT command with a specific byte sequence. (CVE-2025-14242)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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 vsftpd' or or 'yum update --advisory ALAS2-2026-3176' to update your system.

Plugin Details

Severity: Medium

ID: 301270

File Name: al2_ALAS-2026-3176.nasl

Version: 1.1

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 3/6/2026

Updated: 3/6/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2025-14242

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:vsftpd, p-cpe:/a:amazon:linux:vsftpd-sysvinit, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:vsftpd-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/6/2026

Vulnerability Publication Date: 1/14/2026

Reference Information

CVE: CVE-2025-14242

Detections

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