Your submission was sent successfully! Close

CVE-2021-3621

Published: 16 August 2021

A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Notes

AuthorNote
leosilva
vulnerability was introduced in v1.13.91
by commit: https://github.com/SSSD/sssd/commit/e157b9f6cb370e1b94bcac2044d26ad66d640fba
xenial/esm is not-affected as it is based on 1.13.4-1 and so, code affected
is not present.
Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
sssd
Launchpad, Ubuntu, Debian
bionic
Released (1.16.1-1ubuntu1.8)
focal
Released (2.2.3-3ubuntu0.7)
hirsute
Released (2.4.0-1ubuntu6.1)
impish
Released (2.4.1-2ubuntu4)
jammy
Released (2.4.1-2ubuntu4)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/SSSD/sssd/commit/7ab83f97e1cbefb78ece17232185bdd2985f0bbe