CVE-2016-4989 Information

Description

setroubleshoot allows local users to bypass an intended container protection mechanism and execute arbitrary commands by (1) triggering an SELinux denial with a crafted file name which is handled by the _set_tpath function in audit_data.py or via a crafted (2) local_id or (3) analysis_id field in a crafted XML document to the run_fix function in SetroubleshootFixit.py related to the subprocess.check_output and commands.getstatusoutput functions a different vulnerability than CVE-2016-4445.

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://seclists.org/oss-sec/2016/q2/574 http://securitytracker.com/id/1036144 https://access.redhat.com/errata/RHSA-2016:1293 https://bugzilla.redhat.com/show_bug.cgi?id=1346461 https://github.com/fedora-selinux/setroubleshoot/commit/dda55aa50db95a25f0d919c3a0d5871827cdc40f https://github.com/fedora-selinux/setroubleshoot/commit/e69378d7e82a503534d29c5939fa219341e8f2ad https://rhn.redhat.com/errata/RHSA-2016-1267.html

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0

Share on: