CVE-2018-12560

An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. Arbitrary unmounts can be performed by regular users via directory traversal sequences such as a home/../sys/kernel substring.

CVE-2018-12561

An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. A regular user can inject additional mount options such as file_mode= by manipulating (for example) the domain parameter of the samba URL.

CVE-2018-12562

An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. The wrapper script 'mount.cifs.wrapper' uses the shell to forward the arguments to the actual mount.cifs binary. The shell evaluates wildcards (such as in an injected string:/home/../tmp/* string).

CVE-2018-12559

An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. The mount target path check in mounter.cpp mpOk() is insufficient. A regular user can consequently mount a CIFS filesystem anywhere (e.g., outside of the /home directory tree) by passing directory traversal seque...