CVE-2013-1940 Information disclosure in n/a

Low 2.1 Published Updated

Physically proximate attackers can read sensitive input events, such as passwords, due to improper access restrictions during device hot-plugging.

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

What is CVE-2013-1940?

CVE-2013-1940 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 13 May 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

X.Org X server before 1.13.4 and 1.4.x before 1.14.1 does not properly restrict access to input events when adding a new hot-plug device, which might allow physically proximate attackers to obtain sensitive information, as demonstrated by reading passwords from a tty.

Weakness: CWE-264

Which versions are affected by CVE-2013-1940?

It affects 2 products.

Linux distribution packages (40)
xorg-x11-server Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-Xdmx Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-Xephyr Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-Xnest Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-Xorg Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-Xvfb Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-common Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-devel Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server-source Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.el6
xorg-x11-server Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-Xdmx Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-Xephyr Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-Xnest Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-Xorg Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-Xvfb Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-common Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-devel Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server-source Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.el6
xorg-x11-server Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-Xdmx Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-Xephyr Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-Xnest Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-Xorg Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-Xvfb Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-common Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-devel Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server-source Red Hat:enterprise_linux:6::serverAll versions0:1.13.0-23.el6
xorg-x11-server Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-Xdmx Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-Xephyr Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-Xnest Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-Xorg Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-Xvfb Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-common Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-debuginfo Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-devel Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6
xorg-x11-server-source Red Hat:enterprise_linux:6::workstationAll versions0:1.13.0-23.el6

Products include Canonical Ubuntu Linux, X X.org-Xserver.

How do I fix CVE-2013-1940?

Upgrade to a fixed version.

Is CVE-2013-1940 being exploited?

There is no known exploitation of CVE-2013-1940 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-1940, DSA-2661-1, GHSA-hmm5-mg2w-wrfw, RHSA-2013:1620.

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