Red Hat Security Advisory 2012-0902-04 - The cifs-utils package contains tools for mounting and managing shares on Linux using the SMB/CIFS protocol. The CIFS shares can be used as standard Linux file systems. A file existence disclosure flaw was found in mount.cifs. If the tool was installed with the setuid bit set, a local attacker could use this flaw to determine the existence of files or directories in directories not accessible to the attacker. Note: mount.cifs from the cifs-utils package distributed by Red Hat does not have the setuid bit set. We recommend that administrators do not manually set the setuid bit for mount.cifs.
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