CVE-2016-2779
First published: Thu Feb 25 2016(Updated: )
runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/util-linux | 2.36.1-8+deb11u2 2.38.1-5+deb12u1 2.40.2-1 2.40.2-6 | |
| util-linux mount | =2.24.2-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=173008
- http://www.openwall.com/lists/oss-security/2016/02/25/6
- https://security-tracker.debian.org/tracker/CVE-2016-2568
- http://marc.info/?t=145694748900001&r=1&w=2
- http://www.suse.cz/
- https://security-tracker.debian.org/tracker/CVE-2016-2779
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922
- http://www.openwall.com/lists/oss-security/2016/02/27/1
- http://www.openwall.com/lists/oss-security/2016/02/27/2
- https://www.openwall.com/lists/oss-security/2016/02/27/1
- https://marc.info/?l=util-linux-ng&m=145694736107128&w=2
Frequently Asked Questions
What is the severity of CVE-2016-2779?
CVE-2016-2779 has been assigned a medium severity rating due to its potential to allow local users to escape to the parent session.
How do I fix CVE-2016-2779?
To fix CVE-2016-2779, update the util-linux package to version 2.36.1-8+deb11u2, 2.38.1-5+deb12u1, or 2.40.2-1 or higher.
Which software is affected by CVE-2016-2779?
CVE-2016-2779 affects the util-linux package, specifically versions prior to the patched updates mentioned.
What is the exploit vector for CVE-2016-2779?
The exploit vector for CVE-2016-2779 is a crafted TIOCSTI ioctl call that targets local user sessions.
Are there any known attacks exploiting CVE-2016-2779?
As of now, there are no widely reported attacks specifically exploiting CVE-2016-2779, but its vulnerability poses a risk to local user environments.
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