GLSA-202101-33 : sudo: Multiple vulnerabilities

high Nessus Plugin ID 145477

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202101-33 (sudo: Multiple vulnerabilities)

Multiple vulnerabilities have been discovered in sudo. Please review the CVE identifiers referenced below for details.
Impact :

Local users are able to gain unauthorized privileges on the system or determine the existence of files.
Workaround :

There is no known workaround at this time.

Solution

All sudo users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-admin/sudo-1.9.5_p2'

Plugin Details

Severity: High

ID: 145477

File Name: gentoo_GLSA-202101-33.nasl

Version: 1.11

Type: local

Family: Gentoo Local Security Checks

Published: 1/27/2021

Updated: 1/12/2023

Supported Sensors: 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:gentoo:linux:sudo, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/26/2021

Vulnerability Publication Date: 1/12/2021

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-2021-23239, CVE-2021-23240, CVE-2021-3156

GLSA: 202101-33

IAVA: 2021-A-0053

Detections

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