CVE-2013-0157 Information disclosure in n/a

Low 2.1 Published Updated

Local attackers can determine the existence of restricted directories by observing error messages from mount and umount commands.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2013-0157?

CVE-2013-0157 is a low-severity vulnerability in n/a, published on 21 Jan 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

(a) mount and (b) umount in util-linux 2.14.1, 2.17.2, and probably other versions allow local users to determine the existence of restricted directories by (1) using the --guess-fstype command-line option or (2) attempting to mount a non-existent device, which generates different error messages depending on whether the directory exists.

Weakness: CWE-200

Which versions are affected by CVE-2013-0157?

It affects 1 product.

Linux distribution packages (28)
libblkid Red Hat:enterprise_linux:6::clientAll versions0:2.17.2-12.9.el6
libblkid-devel Red Hat:enterprise_linux:6::clientAll versions0:2.17.2-12.9.el6
libuuid Red Hat:enterprise_linux:6::clientAll versions0:2.17.2-12.9.el6
libuuid-devel Red Hat:enterprise_linux:6::clientAll versions0:2.17.2-12.9.el6
util-linux-ng Red Hat:enterprise_linux:6::clientAll versions0:2.17.2-12.9.el6
util-linux-ng-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:2.17.2-12.9.el6
uuidd Red Hat:enterprise_linux:6::clientAll versions0:2.17.2-12.9.el6
libblkid Red Hat:enterprise_linux:6::computenodeAll versions0:2.17.2-12.9.el6
libblkid-devel Red Hat:enterprise_linux:6::computenodeAll versions0:2.17.2-12.9.el6
libuuid Red Hat:enterprise_linux:6::computenodeAll versions0:2.17.2-12.9.el6
libuuid-devel Red Hat:enterprise_linux:6::computenodeAll versions0:2.17.2-12.9.el6
util-linux-ng Red Hat:enterprise_linux:6::computenodeAll versions0:2.17.2-12.9.el6
util-linux-ng-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:2.17.2-12.9.el6
uuidd Red Hat:enterprise_linux:6::computenodeAll versions0:2.17.2-12.9.el6
libblkid Red Hat:enterprise_linux:6::serverAll versions0:2.17.2-12.9.el6
libblkid-devel Red Hat:enterprise_linux:6::serverAll versions0:2.17.2-12.9.el6
libuuid Red Hat:enterprise_linux:6::serverAll versions0:2.17.2-12.9.el6
libuuid-devel Red Hat:enterprise_linux:6::serverAll versions0:2.17.2-12.9.el6
util-linux-ng Red Hat:enterprise_linux:6::serverAll versions0:2.17.2-12.9.el6
util-linux-ng-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:2.17.2-12.9.el6
uuidd Red Hat:enterprise_linux:6::serverAll versions0:2.17.2-12.9.el6
libblkid Red Hat:enterprise_linux:6::workstationAll versions0:2.17.2-12.9.el6
libblkid-devel Red Hat:enterprise_linux:6::workstationAll versions0:2.17.2-12.9.el6
libuuid Red Hat:enterprise_linux:6::workstationAll versions0:2.17.2-12.9.el6
libuuid-devel Red Hat:enterprise_linux:6::workstationAll versions0:2.17.2-12.9.el6
util-linux-ng Red Hat:enterprise_linux:6::workstationAll versions0:2.17.2-12.9.el6
util-linux-ng-debuginfo Red Hat:enterprise_linux:6::workstationAll versions0:2.17.2-12.9.el6
uuidd Red Hat:enterprise_linux:6::workstationAll versions0:2.17.2-12.9.el6

Products include Kernel Util-Linux.

How do I fix CVE-2013-0157?

Apply the vendor's patch.

Is CVE-2013-0157 being exploited?

There is no known exploitation of CVE-2013-0157 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2013-0157, GHSA-5f9c-xx25-xwrv, RHSA-2013:0517, UBUNTU-CVE-2013-0157.

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