systemd, when updating file permissions, allows local users to change the permissions and SELinux security contexts for arbitrary files via a symlink attack on unspecified files.
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
Link | Tags |
---|---|
https://bugzilla.redhat.com/show_bug.cgi?id=859060 | issue tracking third party advisory |
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357 | issue tracking third party advisory |
http://www.openwall.com/lists/oss-security/2013/10/01/9 | third party advisory mailing list |