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Debian Security Advisory DSA 2661-1 (xorg-server - information disclosure)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
David Airlie and Peter Hutterer of Red Hat discovered that xorg-server, the X.Org X server was vulnerable to an information disclosure flaw related to input handling and devices hotplug. When an X server is running but not on front (for example because of a VT switch), a newly plugged input device would still be recognized and handled by the X server, which would actually transmit input events to its clients on the background. This could allow an attacker to recover some input events not intended for the X clients, including sensitive information.
Affected Software
Affected Software
xorg-server on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (squeeze), this problem has been fixed in version 2:1.7.7-16. For the testing distribution (wheezy), this problem has been fixed in version 2:1.12.4-6. For the unstable distribution (sid), this problem has been fixed in version 2:1.12.4-6. We recommend that you upgrade your xorg-server packages.