CVE-2024-5300
CVE-2024-5300 · AppArmor Base Profile Misconfiguration in snapd Permits Confined Snaps Unauthorized Access to Hashed Passwords via systemd-userdbd
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
An access control bypass and information disclosure vulnerability exists in the base AppArmor security profile configuration of Canonical snapd. The abstraction rules located in /etc/apparmor.d/abstractions/nss-systemd (inherited via ) inadvertently permit strictly confined snap applications, which lack the privileged account-control interface, to interact directly with the io.systemd.Multiplexer and io.systemd.NameServiceSwitch UNIX domain sockets under /run/systemd/userdb/. On systems where the systemd-userdbd service is installed and operational, the service fails to distinguish between an unconfined root user on the host system and a restricted root user running within a snap application's sandbox (such as a daemon or configuration hook). Because systemd-userdbd returns "complete" user records—including sensitive hashed user passwords from /etc/shadow—when queried by a process running as root, a compromised or malicious strictly confined snap executing code as root can successfully query the Varlink interface to retrieve all system password hashes, bypassing intended snap sandbox restrictions. This issue is mitigated by the fact that systemd-userdbd is not installed by default on standard Ubuntu deployments.
CVSS 5.6 · Moyenne · EPSS 0,1% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
ubuntu 26.04 lts
- Versions du logiciel
- 2.76+ubuntu26.04.3: Non concernée (dpkg)
Aucun correctif publié
ubuntu 24.04 lts
- Versions du logiciel
- 2.76+ubuntu24.04.1: Non concernée (dpkg)
Aucun correctif publié
ubuntu 22.04 lts
- Versions du logiciel
- 2.76+ubuntu22.04.1: Non concernée (dpkg)
Aucun correctif publié
ubuntu 20.04 lts
- Versions du logiciel
- 2.67.1+20.04ubuntu1~esm2: Non concernée (dpkg)
Aucun correctif publié
ubuntu 18.04 lts
- Versions du logiciel
- 2.61.4ubuntu0.18.04.1+esm3: Non concernée (dpkg)
Aucun correctif publié
ubuntu 16.04 lts
- Versions du logiciel
- 2.61.4ubuntu0.16.04.1+esm3: Non concernée
Aucun correctif publié
snapd Debian:12
- Versions du logiciel
- 2.57.6-1
- 2.57.6-1+deb12u1
- 2.59.5-1
- 2.60.2-1
- 2.61.1-1
- 2.61.2-1
- 2.61.2-2
- 2.62-1
- 2.62-2
- 2.62-3
- 2.62-4
- 2.62-5
- 2.63-1
- 2.63-2
- 2.63-3
- 2.63-4
- 2.65.1-1
- 2.65.3-1
- 2.66.1-1
- 2.66.1-2
- 2.67-1
- 2.68.3-2
- 2.68.3-3
- 2.71-1
- 2.71-2
- 2.71-3
- 2.72-1
- 2.73-3
- 2.73-4
- 2.74.1-1
- 2.75.2-1
- 2.75.2-2
- 2.76-1
- 2.76.3-1
- 2.76.3-2
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
snapd Debian:13
- Versions du logiciel
- 2.68.3-3
- 2.68.3-3+deb13u1
- 2.71-1
- 2.71-2
- 2.71-3
- 2.72-1
- 2.73-3
- 2.73-4
- 2.74.1-1
- 2.75.2-1
- 2.75.2-2
- 2.76-1
- 2.76.3-1
- 2.76.3-2
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
snapd Debian:14
- Versions du logiciel
- 2.68.3-3
- 2.71-1
- 2.71-2
- 2.71-3
- 2.72-1
- 2.73-3
- 2.73-4
- 2.74.1-1
- 2.75.2-1
- 2.75.2-2
- 2.76-1
- Plages de versions concernées
- ECOSYSTEM: < 2.76.3-1
Mettez à jour vers 2.76.3-1
snapd Ubuntu:Pro:16.04:LTS
- Versions du logiciel
- 1.9
- 1.9.1.1
- 1.9.2
- 2.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.5
- 2.0.8
- 2.0.9
- 2.0.10
- 2.11+0.16.04
- 2.12+0.16.04
- 2.13
- 2.14.2~16.04
- 2.15.2ubuntu1
- 2.16ubuntu3
- 2.17.1ubuntu1
- 2.20.1ubuntu1
- 2.21
- 2.22.2
- 2.22.3
- 2.22.6
- 2.23.1
- 2.24.1
- 2.25
- 2.26.10
- 2.27.5
- 2.28.5
- 2.29.4.2
- 2.32.3.2
- 2.32.9
- 2.33.1ubuntu2
- 2.34.2
- 2.34.2ubuntu0.1
- 2.37.4
- 2.37.4ubuntu0.1
- 2.38
- 2.39.2
- 2.39.2ubuntu0.2
- 2.40
- 2.42.1
- 2.45.1
- 2.45.1ubuntu0.2
- 2.46.1
- 2.47.1
- 2.48
- 2.48.3
- 2.54.3+16.04~esm2
- 2.54.3+16.04.0ubuntu0.1~esm3
- 2.54.3+16.04.0ubuntu0.1~esm4
- 2.54.3+16.04.0ubuntu0.1~esm5
- 2.54.3+16.04.0ubuntu0.1~esm6
- 2.61.4ubuntu0.16.04.1+esm1
- 2.61.4ubuntu0.16.04.1+esm2
- Plages de versions concernées
- ECOSYSTEM: < 2.61.4ubuntu0.16.04.1+esm4
Mettez à jour vers 2.61.4ubuntu0.16.04.1+esm4
snapd Ubuntu:Pro:18.04:LTS
- Versions du logiciel
- 2.28.5+17.10
- 2.29.4.1+18.04
- 2.29.4.2+18.04
- 2.31.1+18.04
- 2.32+18.04~pre5
- 2.32+18.04~pre6
- 2.32+18.04
- 2.32.3.2+18.04
- 2.32.5+18.04
- 2.32.8+18.04
- 2.32.9+18.04
- 2.33.1+18.04ubuntu2
- 2.34.2+18.04
- 2.34.2+18.04.1
- 2.37.1+18.04
- 2.37.1.1+18.04
- 2.37.4+18.04
- 2.37.4+18.04.1
- 2.38+18.04
- 2.39.2+18.04
- 2.40+18.04
- 2.42.1+18.04
- 2.45.1+18.04
- 2.45.1+18.04.2
- 2.46.1+18.04
- 2.47.1+18.04
- 2.48+18.04
- 2.48.3+18.04
- 2.49.2+18.04
- 2.51.1+18.04
- 2.54.2+18.04ubuntu1
- 2.54.3+18.04
- 2.54.3+18.04.2ubuntu0.1
- 2.54.3+18.04.2ubuntu0.2
- 2.55.5+18.04
- 2.57.5+18.04
- 2.57.5+18.04ubuntu0.1
- 2.58+18.04
- 2.58+18.04.1
- 2.61.4ubuntu0.18.04.1+esm1
- 2.61.4ubuntu0.18.04.1+esm2
- Plages de versions concernées
- ECOSYSTEM: < 2.61.4ubuntu0.18.04.1+esm4
Mettez à jour vers 2.61.4ubuntu0.18.04.1+esm4
snapd Ubuntu:Pro:20.04:LTS
- Versions du logiciel
- 2.41+19.10.1
- 2.42.1+20.04
- 2.43.3+git1.8109f8
- 2.44~pre1+20.04
- 2.44+20.04
- 2.44.2+20.04
- 2.44.3+20.04
- 2.45.1+20.04
- 2.45.1+20.04.2
- 2.46.1+20.04
- 2.47.1+20.04
- 2.48+20.04
- 2.48.3+20.04
- 2.49.2+20.04
- 2.51.1+20.04ubuntu2
- 2.54.2+20.04ubuntu2
- 2.54.3+20.04
- 2.54.3+20.04.1
- 2.54.3+20.04.1ubuntu0.1
- 2.54.3+20.04.1ubuntu0.2
- 2.54.3+20.04.1ubuntu0.3
- 2.55.5+20.04
- 2.57.5+20.04
- 2.57.5+20.04ubuntu0.1
- 2.58+20.04
- 2.58+20.04.1
- 2.61.3+20.04
- 2.62+20.04
- 2.63+20.04
- 2.63+20.04ubuntu0.1
- 2.65.3+20.04
- 2.66.1+20.04
- 2.67.1+20.04
- 2.67.1+20.04ubuntu1~esm1
- Plages de versions concernées
- ECOSYSTEM: < 2.67.1+20.04ubuntu1~esm3
Mettez à jour vers 2.67.1+20.04ubuntu1~esm3
snapd Ubuntu:22.04:LTS
- Versions du logiciel
- 2.53+21.10ubuntu1
- 2.54.2+22.04ubuntu1
- 2.54.2+22.04ubuntu2
- 2.54.2+22.04ubuntu3
- 2.54.3+git19.g868fc21+22.04
- 2.54.3+git26.g360067e+22.04
- 2.55.2+22.04
- 2.55.2+22.04.1
- 2.55.3+22.04
- 2.55.3+22.04ubuntu1
- 2.55.5+22.04
- 2.56.2+22.04ubuntu1
- 2.57.4+22.04
- 2.57.5+22.04
- 2.57.5+22.04ubuntu0.1
- 2.58+22.04
- 2.58+22.04.1
- 2.61.3+22.04
- 2.62+22.04
- 2.63+22.04
- 2.63+22.04ubuntu0.1
- 2.65.3+22.04
- 2.66.1+22.04
- 2.67.1+22.04
- 2.68.5+ubuntu22.04.1
- 2.71+ubuntu22.04
- 2.72+ubuntu22.04
- 2.73+ubuntu22.04
- 2.73+ubuntu22.04.1
- 2.74.1+ubuntu22.04.4
- 2.75.2+ubuntu22.04
- 2.76+ubuntu22.04
- Plages de versions concernées
- ECOSYSTEM: < 2.76+ubuntu22.04.1
Mettez à jour vers 2.76+ubuntu22.04.1
snapd Ubuntu:24.04:LTS
- Versions du logiciel
- 2.60.4+23.10
- 2.61.3+24.04
- 2.62+24.04build1
- 2.63+24.04
- 2.63+24.04ubuntu0.1
- 2.63.1+24.04
- 2.65.3+24.04
- 2.66.1+24.04
- 2.67.1+24.04
- 2.68.5+ubuntu24.04.1
- 2.71+ubuntu24.04
- 2.72+ubuntu24.04
- 2.73+ubuntu24.04
- 2.73+ubuntu24.04.1
- 2.73+ubuntu24.04.2
- 2.74.1+ubuntu24.04.4
- 2.75.2+ubuntu24.04
- 2.76+ubuntu24.04
- Plages de versions concernées
- ECOSYSTEM: < 2.76+ubuntu24.04.1
Mettez à jour vers 2.76+ubuntu24.04.1
snapd Ubuntu:25.10
- Versions du logiciel
- 2.67.1+25.04
- 2.68.5+ubuntu25.10.2
- 2.71+ubuntu25.10
- 2.71.1+ubuntu25.10.1
- 2.72+ubuntu25.10.2
- 2.73+ubuntu25.10
- 2.73+ubuntu25.10.1
- 2.74.1+ubuntu25.10.4
- 2.75.2+ubuntu25.10
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
snapd Ubuntu:26.04:LTS
- Versions du logiciel
- 2.71.1+ubuntu25.10.1
- 2.72+ubuntu26.04.1
- 2.73+ubuntu26.04.1
- 2.74+ubuntu26.04
- 2.74.1+ubuntu26.04
- 2.74.1+ubuntu26.04.3
- 2.74.1+ubuntu26.04.4
- 2.75.2+ubuntu26.04.2
- 2.76+ubuntu26.04.2
- Plages de versions concernées
- ECOSYSTEM: < 2.76+ubuntu26.04.3
Mettez à jour vers 2.76+ubuntu26.04.3