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CVSS: 7.8EPSS: 0%CPEs: 2EXPL: 0

In Flatpak before 0.8.7, a third-party app repository could include malicious apps that contain files with inappropriate permissions, for example setuid or world-writable. The files are deployed with those permissions, which would let a local attacker run the setuid executable or write to the world-writable location. In the case of the "system helper" component, files deployed as part of the app are owned by root, so in the worst case they could be setuid root. En Flatpak, en versiones anteriores a la 0.8.7, un repositorio de aplicaciones de terceros podría incluir aplicaciones maliciosas que contienen archivos con permisos inadecuados, por ejemplo, setuid o world-writable. Los archivos se despliegan con estos permisos que permitirían que un atacante local abra el ejecutable setuid o escriba en la ubicación modificable por cualquier usuario. • http://www.debian.org/security/2017/dsa-3895 http://www.securityfocus.com/bid/99346 https://bugs.debian.org/865413 https://github.com/flatpak/flatpak/issues/845 • CWE-732: Incorrect Permission Assignment for Critical Resource •