Rocky Linux 8 [CIQ] Security Update: sudo / sudo-debuginfo / sudo-debugsource Multiple Vulnerabilities (crlsa-2021_1723)

high Nessus Plugin ID 358860

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2021_1723 advisory.

* sudo: symbolic link attack in SELinux-enabled sudoedit (CVE-2021-23240)

* sudo: possible directory existence test due to race condition in sudoedit (CVE-2021-23239)

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

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

Solution

Update the affected packages based on the guidance in CIQ advisory crlsa-2021_1723.

See Also

https://access.redhat.com/errata/RHSA-2021:1723

https://bugzilla.redhat.com/show_bug.cgi?id=1915052

https://bugzilla.redhat.com/show_bug.cgi?id=1915053

https://bugzilla.redhat.com/show_bug.cgi?id=1923825

https://errata.build.resf.org/RLSA-2021:1723

http://www.nessus.org/u?1ab68d4f

http://www.nessus.org/u?692a074a

Plugin Details

Severity: High

ID: 358860

File Name: ciq_rocky_linux_8_crlsa-2021_1723.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-23240

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2021

Vulnerability Publication Date: 1/12/2021

Reference Information

CVE: CVE-2021-23239, CVE-2021-23240