CVE-2011-3364
First published: Sun Sep 11 2011(Updated: )
Description of problem: Between F14 and F15, NetworkManager was changed so that unprivileged console users can store both personal and system connections via the ifcfg-rh plugin. As a result, <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED WONTFIX - ifcfg plugin can write connection name containing newlines, corrupting file" href="show_bug.cgi?id=682290">bug 682290</a> now constitutes a vulnerability allowing such users to escalate to root. To avoid calling attention to this, I am filing a separate bug rather than updating <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED WONTFIX - ifcfg plugin can write connection name containing newlines, corrupting file" href="show_bug.cgi?id=682290">bug 682290</a>. Version-Release number of selected component (if applicable): NetworkManager-0.9.0-1.fc15 How reproducible: Always Steps to Reproduce (as an unprivileged console user): 1. Create a wired connection named `test'. 2. Change the name to `test\nUSERCTL=true\n/bin/bash', where `\n' stands for a newline entered via Ctrl-Shift-U, A. 3. usernetctl test up Actual results: Root shell. Expected results: Format integrity of /etc/sysconfig/network-scripts/ifcfg-test is maintained.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NetworkManager | =0.8.1 | |
| NetworkManager | =0.9.1 | |
| NetworkManager | =0.9.0 | |
| GNOME ifcfg-rh plug-in | ||
| NetworkManager | =0.8.1 | |
| NetworkManager | =0.9.0 | |
| NetworkManager | =0.9.1 |
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Reference Links
- http://xorl.wordpress.com/2011/10/09/cve-2011-3364-gnome-networkmanager-local-privilege-escalation/
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/066828.html
- https://bugzilla.redhat.com/show_bug.cgi?id=737338
- http://www.redhat.com/support/errata/RHSA-2011-1338.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:171
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=682290
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=523188&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=523188&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=737338#c3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=737338#c6
- https://access.redhat.com/security/cve/CVE-2011-3364
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=737338#c7
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=737338#c9
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=737338#c10
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524039&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524039&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=737338#c11
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=737338#c15
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=737338#c16
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524560&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524560&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524563&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524563&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=741418
- https://rhn.redhat.com/errata/RHSA-2011-1338.html
Frequently Asked Questions
What is the severity of CVE-2011-3364?
CVE-2011-3364 has a moderate severity rating due to the potential for local privilege escalation by unprivileged console users.
How do I fix CVE-2011-3364?
To fix CVE-2011-3364, update the NetworkManager and ifcfg-rh plugin to the latest versions that address this vulnerability.
Which versions are affected by CVE-2011-3364?
CVE-2011-3364 affects GNOME's NetworkManager versions prior to 0.9.1 and the ifcfg-rh plugin in the specified configurations.
What type of vulnerability is CVE-2011-3364?
CVE-2011-3364 is classified as a local privilege escalation vulnerability in NetworkManager.
Who is impacted by CVE-2011-3364?
Any user with unprivileged access on systems running susceptible versions of NetworkManager and the ifcfg-rh plugin may be impacted by CVE-2011-3364.
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