CVE-2011-4613
First published: Wed Feb 05 2014(Updated: )
The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| X.org Xserver | ||
| Ubuntu Linux | =10.04 | |
| Ubuntu Linux | =10.10 | |
| Ubuntu Linux | =11.04 | |
| Ubuntu Linux | =11.10 | |
| Debian GNU/Linux | ||
| Ubuntu | ||
| Ubuntu | =10.10 | |
| Ubuntu | =11.04 | |
| Debian | ||
| Ubuntu | =11.10 | |
| Ubuntu | =10.04 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2011-4613?
CVE-2011-4613 is classified as a moderate severity vulnerability.
How do I fix CVE-2011-4613?
To fix CVE-2011-4613, ensure you update the X.Org X server to the latest version provided by your Linux distribution.
Which systems are affected by CVE-2011-4613?
CVE-2011-4613 affects Debian GNU/Linux and specific versions of Ubuntu Linux including 10.04, 10.10, 11.04, and 11.10.
What type of vulnerability is CVE-2011-4613?
CVE-2011-4613 is a local privilege escalation vulnerability that can be exploited by local users.
Can my system be exploited through CVE-2011-4613 without my knowledge?
Yes, if not patched, CVE-2011-4613 allows local users to bypass access restrictions which can lead to unauthorized access.
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