CVE-2018-12560

NameCVE-2018-12560
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs901798

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cantata (PTS)jessie1.4.2.ds1-1vulnerable
stretch2.0.1.ds1-2vulnerable
buster, sid2.3.2.ds1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cantatasource(unstable)2.3.0.ds1-2unimportant901798

Notes

http://www.openwall.com/lists/oss-security/2018/06/18/1
The daemon code is part of cantata since version 2.0.0 and it is built
by default in versions 2.3.0 and 2.3.1. Before 2.3.0 it was only built
if `-DENABLE_REMOTE_DEVICES=ON` was passed to the cmake invocation.
2.3.0.ds1-2 disables the cantata-mounter.

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