Debian dla-4614 : sudo - security update

high Nessus Plugin ID 318617

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4614 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4614-1 [email protected] https://www.debian.org/lts/security/ Andreas Henriksson June 04, 2026 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : sudo Version : 1.9.5p2-3+deb11u4 CVE ID : CVE-2026-35535 Debian Bug : 1130593

Qualys released an advisory called CrackArmor reporting that in sudo, an application that provide limited super user privileges to specific users, a failure during a privilege drop before running the mailer is not a fatal error, which could lead to privilege escalation.

For Debian 11 bullseye, this problem has been fixed in version 1.9.5p2-3+deb11u4.

We recommend that you upgrade your sudo packages.

For the detailed security status of sudo please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/sudo

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: PGP signature

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

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

Solution

Upgrade the sudo packages.

Plugin Details

Severity: High

ID: 318617

File Name: debian_DLA-4614.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 6/4/2026

Updated: 6/4/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-35535

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:sudo-ldap, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:sudo

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/4/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-35535

IAVA: 2026-A-0312

Detections

Analytics