<p>Upgrade <code>Centos:8</code> <code>sudo</code> to version 0:1.8.25p1-8.el8_1.1 or higher.</p>

Stack-based Buffer Overflow Affecting sudo package, versions <0:1.8.25p1-8.el8_1.1

Threat Intelligence

Mature

0.18% (57^th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk ID SNYK-CENTOS8-SUDO-2022340
published 26 Jul 2021
disclosed 30 Jan 2020

Report a new vulnerability Found a mistake?

Introduced: 30 Jan 2020

CVE-2019-18634 Open this link in a new tab CWE-121 Open this link in a new tab

How to fix?

Upgrade Centos:8 sudo to version 0:1.8.25p1-8.el8_1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream sudo package and not the sudo package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In Sudo before 1.8.26, if pwfeedback is enabled in /etc/sudoers, users can trigger a stack-based buffer overflow in the privileged sudo process. (pwfeedback is a default setting in Linux Mint and elementary OS; however, it is NOT the default for upstream and many other packages, and would exist only if enabled by an administrator.) The attacker needs to deliver a long string to the stdin of getln() in tgetpass.c.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Stack-based Buffer Overflow Affecting sudo package, versions <0:1.8.25p1-8.el8_1.1

Severity

Based on CentOS security rating