Detections
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Azure Linux 3.0 Security Update: lua / memcached / ntopng (CVE-2021-43519)

medium Nessus Plugin ID 216570

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of lua / memcached / ntopng installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2021-43519 advisory.

 - Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file. (CVE-2021-43519)

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

Solution

Update the affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2021-43519

Plugin Details

Severity: Medium

ID: 216570

File Name: azure_linux_CVE-2021-43519.nasl

Version: 1.1

Type: local

Published: 2/21/2025

Updated: 2/21/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-43519

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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:microsoft:azure_linux:lua-libs, p-cpe:/a:microsoft:azure_linux:memcached-service, p-cpe:/a:microsoft:azure_linux:ntopng, p-cpe:/a:microsoft:azure_linux:lua-static, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:memcached-debuginfo, p-cpe:/a:microsoft:azure_linux:lua-debuginfo, p-cpe:/a:microsoft:azure_linux:lua, p-cpe:/a:microsoft:azure_linux:memcached, p-cpe:/a:microsoft:azure_linux:memcached-devel, p-cpe:/a:microsoft:azure_linux:ntopng-debuginfo, p-cpe:/a:microsoft:azure_linux:lua-devel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/11/2025

Vulnerability Publication Date: 11/9/2021

Reference Information

CVE: CVE-2021-43519