Linux Distros Unpatched Vulnerability : CVE-2021-3622

medium Nessus Plugin ID 224089

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the _get_children() function, leading to a stack overflow. The highest threat from this vulnerability is to system availability. (CVE-2021-3622)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: Medium

ID: 224089

File Name: unpatched_CVE_2021_3622.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 3/5/2025

Updated: 9/1/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 2.2

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-2021-3622

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.9

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:ocaml-hivex-devel, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:redhat:enterprise_linux:perl-hivex, cpe:/o:centos:centos:8, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:redhat:enterprise_linux:hivex-devel, p-cpe:/a:debian:debian_linux:hivex, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:perl-hivex, p-cpe:/a:redhat:enterprise_linux:hivex, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:hivex, p-cpe:/a:canonical:ubuntu_linux:hivex, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.04, p-cpe:/a:redhat:enterprise_linux:ocaml-hivex, cpe:/a:redhat:advanced_virtualization:8::el8, p-cpe:/a:redhat:enterprise_linux:ocaml-hivex-devel, p-cpe:/a:centos:centos:hivex-devel, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:centos:centos:ocaml-hivex

Required KB Items: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 8/31/2021

Reference Information

CVE: CVE-2021-3622

Detections

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