Detections
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CBL Mariner 2.0 Security Update: lua / ntopng (CVE-2021-44647)

medium Nessus Plugin ID 172919

Synopsis

The remote CBL Mariner host is missing one or more security updates.

Description

The version of lua / ntopng installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2021-44647 advisory.

 - Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service. (CVE-2021-44647)

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-2021-44647

Plugin Details

Severity: Medium

ID: 172919

File Name: mariner_lua_CVE-2021-44647.nasl

Version: 1.4

Type: local

Published: 3/20/2023

Updated: 2/21/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2021-44647

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:microsoft:cbl-mariner:lua, x-cpe:/o:microsoft:cbl-mariner, p-cpe:/a:microsoft:cbl-mariner:ntopng-debuginfo, p-cpe:/a:microsoft:cbl-mariner:lua-devel, p-cpe:/a:microsoft:cbl-mariner:lua-libs, p-cpe:/a:microsoft:cbl-mariner:ntopng, p-cpe:/a:microsoft:cbl-mariner:lua-debuginfo, p-cpe:/a:microsoft:cbl-mariner:lua-static

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/12/2022

Vulnerability Publication Date: 1/11/2022

Reference Information

CVE: CVE-2021-44647