Flatpak: flatpak: unprivileged active user can bypass anti-downgrade checks for system apps/runtimes
10Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.2
probabilidade de exploração
—
exploração observada
nãonenhuma fonte reporta
On a multi-user system, a user with an active local login session could downgrade a system-wide Flatpak app to an older version by removing the app's remote ref via the unprivileged system-helper RemoveLocalRef method, causing the anti-downgrade check to fail to find a reference date. A malicious local user could use this to expose other users of the same system to an app version with unfixed vulnerabilities.
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H