RHEL 7 : sudo (RHSA-2021:0222)

high Nessus Plugin ID 145498

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0222 advisory.

- sudo: Heap buffer overflow in argument parsing (CVE-2021-3156)

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 sudo and / or sudo-devel packages.

See Also

https://access.redhat.com/security/cve/CVE-2021-3156

https://access.redhat.com/errata/RHSA-2021:0222

https://bugzilla.redhat.com/1917684

Plugin Details

Severity: High

ID: 145498

File Name: redhat-RHSA-2021-0222.nasl

Version: 1.17

Type: local

Agent: unix

Published: 1/27/2021

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: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2021-3156

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:sudo, cpe:/o:redhat:rhel_eus:7.7, p-cpe:/a:redhat:enterprise_linux:sudo-devel, cpe:/o:redhat:rhel_e4s:7.7, cpe:/o:redhat:rhel_tus:7.7, cpe:/o:redhat:rhel_aus:7.7

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/26/2021

Vulnerability Publication Date: 1/25/2021

CISA Known Exploited Vulnerability Due Dates: 4/27/2022

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Sudo Heap-Based Buffer Overflow)

Reference Information

CVE: CVE-2021-3156

CWE: 122

IAVA: 2021-A-0053

RHSA: 2021:0222