RHEL 8 : stunnel (RHSA-2021:0620)

high Nessus Plugin ID 149506

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:0620 advisory.

- stunnel: client certificate not correctly verified when redirect and verifyChain options are used (CVE-2021-20230)

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 stunnel package.

See Also

https://access.redhat.com/security/cve/CVE-2021-20230

https://access.redhat.com/errata/RHSA-2021:0620

https://bugzilla.redhat.com/1925226

Plugin Details

Severity: High

ID: 149506

File Name: redhat-RHSA-2021-0620.nasl

Version: 1.8

Type: local

Agent: unix

Published: 5/14/2021

Updated: 5/24/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-20230

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:H/I:N/A:N

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:stunnel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/22/2021

Vulnerability Publication Date: 2/22/2021

Reference Information

CVE: CVE-2021-20230

CWE: 295

RHSA: 2021:0620