CVE-2010-4176
First published: Thu Nov 18 2010(Updated: )
plymouth-pretrigger.sh in dracut and udev, when running on Fedora 13 and 14, sets weak permissions for the /dev/systty device file, which allows remote authenticated users to read terminal data from tty0 for local users.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dracut | ||
| Uwamp | ||
| Fedora | =13 | |
| Fedora | =14 |
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Reference Links
- http://secunia.com/advisories/42342
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051418.html
- http://www.vupen.com/english/advisories/2010/3062
- http://www.securityfocus.com/bid/45046
- https://bugzilla.redhat.com/show_bug.cgi?id=654489
- https://bugzilla.redhat.com/show_bug.cgi?id=654935
- http://www.vupen.com/english/advisories/2010/3110
- http://secunia.com/advisories/42451
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051755.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=654935
Frequently Asked Questions
What is the severity of CVE-2010-4176?
The severity of CVE-2010-4176 is considered moderate due to the potential exposure of sensitive terminal data.
How do I fix CVE-2010-4176?
To fix CVE-2010-4176, update to the latest version of Dracut and Udev that addresses the permissions issue for the /dev/systty device file.
Who discovered CVE-2010-4176?
CVE-2010-4176 was reported by security researcher Tavis Ormandy.
Which versions of Fedora are affected by CVE-2010-4176?
CVE-2010-4176 affects Fedora 13 and Fedora 14.
What does CVE-2010-4176 affect?
CVE-2010-4176 affects the permission settings of the /dev/systty device file, allowing potential unauthorized access to terminal data.
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- alias/CVE-2010-4176
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- vendor/dracut project
- canonical/dracut
- vendor/udev project
- canonical/uwamp
- vendor/fedoraproject
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- version/fedora/13
- version/fedora/14