CVE-2016-4445: Command Injection
First published: Tue May 24 2016(Updated: )
The fix_lookup_id function in sealert in setroubleshoot before 3.2.23 allows local users to execute arbitrary commands as root by triggering an SELinux denial with a crafted file name, related to executing external commands with the commands.getstatusoutput function.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/setroubleshoot | <3.2.23 | 3.2.23 |
| Red Hat Setroubleshoot-server | <=3.2.22 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux HPC Node | =7.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
Remedy
https://github.com/fedora-selinux/setroubleshoot/commit/2d12677629ca319310f6263688bb1b7f676c01b7
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Reference Links
- https://github.com/fedora-selinux/setroubleshoot/commit/2d12677629ca319310f6263688bb1b7f676c01b7
- https://access.redhat.com/errata/RHSA-2016:1267
- https://rhn.redhat.com/errata/RHBA-2015-2287.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1339183
- http://seclists.org/oss-sec/2016/q2/575
- http://www.securityfocus.com/bid/91430
- http://www.securitytracker.com/id/1036144
- https://rhn.redhat.com/errata/RHSA-2016-1267.html
Frequently Asked Questions
What is the severity of CVE-2016-4445?
CVE-2016-4445 has a medium severity rating as it allows local users to execute arbitrary commands as root.
How do I fix CVE-2016-4445?
To fix CVE-2016-4445, update the setroubleshoot package to version 3.2.23 or later.
Which software is affected by CVE-2016-4445?
CVE-2016-4445 affects versions of setroubleshoot prior to 3.2.23 and specific distributions of Red Hat Enterprise Linux 7.0.
What is the exploit method for CVE-2016-4445?
CVE-2016-4445 can be exploited by triggering an SELinux denial with a crafted file name.
Is CVE-2016-4445 fixed in later versions of setroubleshoot?
Yes, CVE-2016-4445 is fixed in setroubleshoot version 3.2.23 and subsequent releases.
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