National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4989 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.0 HIGH
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.0


Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.9 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://seclists.org/oss-sec/2016/q2/574 Mailing List Third Party Advisory
http://securitytracker.com/id/1036144 Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1293 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1346461 Issue Tracking
https://github.com/fedora-selinux/setroubleshoot/commit/dda55aa50db95a25f0d919c3a0d5871827cdc40f Patch
https://github.com/fedora-selinux/setroubleshoot/commit/e69378d7e82a503534d29c5939fa219341e8f2ad Patch
https://rhn.redhat.com/errata/RHSA-2016-1267.html Third Party Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:setroubleshoot_project:setroubleshoot:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
-

Configuration 2 ( hide )
 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4989
NVD Published Date:
04/11/2017
NVD Last Modified:
04/17/2017