sudo security, bug fix, and enhancement update

1.9.17-6 - Fix CVE-2026-82474: execveat2 intercept/logsubcmds bypass 1.9.17-5.p2 - Resolves: RHEL-212546 - Use canonicalized path if user path contains '..'...

OESA-2026-3735 sudo security update

Sudo is a program designed to allow a sysadmin to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow people to get their work done. Security Fixes: Sudo through 1.9.17p2 fails to apply intercept policy checks ...

OESA-2026-3736 sudo security update

Sudo is a program designed to allow a sysadmin to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow people to get their work done. Security Fixes: Sudo through 1.9.17p2 fails to apply intercept policy checks ...

Astra Linux – Vulnerability in Systemd

Before version 247, systemd does not properly prevent local privilege escalation for certain Sudo configurations. For example, plausible sudoers files may allow the execution of the “systemctl status” command. Specifically, systemd does not set LESSSECURE to 1, allowing other programs to be...

Astra Linux – Vulnerability in sudo

In Sudo version 1.8.29, the fact that a user has been blocked for example, by using the “!” character in the shadow file instead of a password hash was not taken into consideration. This allows an attacker who has access to a Runas ALL sudoer account to impersonate any blocked user. NOTE: The...

Astra Linux – Vulnerability in sudo

Before version 1.9.13, Sudo did not escape control characters in log messages...

ROOT-OS-DEBIAN-11-CVE-2023-42465 CVE-2023-42465 in sudo - Patched by Root

Root has patched CVE-2023-42465 in the sudo package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-82474 CVE-2026-82474 in sudo - Patched by Root

Root has patched CVE-2026-82474 in the sudo package for Root:Debian:11. Multiple fixed versions available...

Astra Linux – Vulnerability in sudo

In Sudo version 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a non-existent user by executing sudo with a numerical UID that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability, as executing a command via sudo a...

Astra Linux – Vulnerability in sudo

Before version 1.9.13, sudo did not escape control characters in the sudoreplay output...

Astra Linux – Vulnerability in sudo

The “sudoedit” personality of Sudo before version 1.9.5 might allow a local unprivileged user to perform arbitrary directory existence tests by exploiting a race condition in the “sudoedit.c” code, which allows a user-controlled directory to be replaced with a symlink pointing to an arbitrary pat...

Astra Linux – Vulnerability in sudo

A flaw was discovered in sudo’s handling of ipahostname. In this process, the ipahostname value from /etc/sssd/sssd.conf was not propagated to sudo. As a result, this leads to a privilege management vulnerability in applications, where client hosts retain privileges even after those privileges ha...

CVE-2021-3156

CVE-2021-3156 Root shell PoC for CVE-2021-3156 no bruteforce For educational purposes etc. Tested on Ubuntu 20.04 against sudo 1.8.31 All research credit: Qualys Research Team Check out the details on their blog. You can check your version of sudo is vulnerable with: $ sudoedit -s Y. If it asks f...

sudo: Sudo: Policy bypass allows unauthorized program execution via execveat

A flaw was found in Sudo. This vulnerability allows users who are permitted to run specific commands to bypass security policy checks when using the execveat system call in ptrace-based intercept mode. By directly calling execveat or fexecve, an attacker can execute programs that would otherwise ...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: sudo: sudo-1.9.17-16.p2.1.hum1 aarch64, x8664 sudo-devel-1.9.17-16.p2.1.hum1 aarch64, x8664 sudo-logsrvd-1.9.17-16.p2.1.hum1 aarch64, x8664 sudo-python-plugin-1.9.17-16.p2.1.hum1 aarch64, x8664...

sudo: Sudo: Privilege escalation due to failure in privilege drop calls

A flaw was found in Sudo. A local user could exploit a failure in the setuid, setgid, or setgroups calls, which are used to drop privileges before running the mailer. This oversight allows for privilege escalation, enabling the user to gain elevated access on the system...

CVE-2024-31969

📌 CVE-2024-31969 CVE-2024-31969 is a local privilege escalation vulnerability in sudo when using the sudoedit command. This vulnerability was introduced in sudo 1.9.0 due to the way sudoedit validates user environment variables and file ownership improperly. 📖 Description A flaw introduced in sud...

CVE-2021-3156

CVE-2021-3156 Root shell PoC for CVE-2021-3156 no bruteforce For educational purposes etc. Tested on Ubuntu 20.04 against sudo 1.8.31 All research credit: Qualys Research Team Check out the details on their blog. You can check your version of sudo is vulnerable with: $ sudoedit -s Y. If it asks f...

CVE-2026-82474

A flaw was found in Sudo. This vulnerability allows users who are permitted to run specific commands to bypass security policy checks when using the execveat system call in ptrace-based intercept mode. By directly calling execveat or fexecve, an attacker can execute programs that would otherwise ...

CVE-2021-3156

CVE-2021-3156 PoC de shell root para CVE-2021-3156 sin fuerza bruta Con fines educativos, etc. Probado en Ubuntu 20.04 contra sudo 1.8.31 Todo el crédito de la investigación: Qualys Research Team Consulta los detalles en su blog. Puedes comprobar si tu versión de sudo es vulnerable con: $ sudoedi...