CVE-2013-4288: Race Condition
First published: Thu Aug 29 2013(Updated: )
Race condition in PolicyKit (aka polkit) allows local users to bypass intended PolicyKit restrictions and gain privileges by starting a setuid or pkexec process before the authorization check is performed, related to (1) the polkit_unix_process_new API function, (2) the dbus API, or (3) the --process (unix-process) option for authorization to pkcheck.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE Linux | =12.2 | |
| SUSE Linux | =12.3 | |
| Ubuntu Polkit Daemon | <0.112.1 | |
| Ubuntu | =10.04 | |
| Ubuntu | =12.04 | |
| Ubuntu | =12.10 | |
| Ubuntu | =13.04 | |
| Red Hat Enterprise Linux | =6.0 |
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Reference Links
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1002375
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00062.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00000.html
- http://rhn.redhat.com/errata/RHSA-2013-1270.html
- http://rhn.redhat.com/errata/RHSA-2013-1460.html
- http://seclists.org/oss-sec/2013/q3/626
- http://www.openwall.com/lists/oss-security/2013/09/18/4
- http://www.ubuntu.com/usn/USN-1953-1
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795472&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795472&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795473&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795473&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795474&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795474&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795475&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795475&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795476&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=795476&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1002375#c11
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1002375#c16
- https://access.redhat.com/security/cve/CVE-2013-4311
- https://access.redhat.com/security/cve/CVE-2013-4324
- https://access.redhat.com/security/cve/CVE-2013-4325
- https://access.redhat.com/security/cve/CVE-2013-4326
- https://access.redhat.com/security/cve/CVE-2013-4327
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1009538
- https://rhn.redhat.com/errata/RHSA-2013-1270.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1002375
Frequently Asked Questions
What is the severity of CVE-2013-4288?
CVE-2013-4288 has a high severity rating due to its potential to allow local users to bypass PolicyKit restrictions.
How do I fix CVE-2013-4288?
To fix CVE-2013-4288, update to the latest version of polkit or apply the appropriate patches provided for your operating system.
Which systems are affected by CVE-2013-4288?
CVE-2013-4288 affects OpenSUSE versions 12.2 and 12.3, Ubuntu versions 10.04, 12.04, 12.10, 13.04, and Red Hat Enterprise Linux 6.0.
Who can exploit CVE-2013-4288?
CVE-2013-4288 can be exploited by local users who can start setuid or pkexec processes before the authorization check.
What are the implications of CVE-2013-4288?
The implications of CVE-2013-4288 include unauthorized privilege escalation, allowing attackers to gain higher system access.
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