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CVE-2016-4989

Date: April 11, 2017

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.

Language: Python

Severity Score

Related Resources (10)

https://github.com/fedora-selinux/setroubleshoot/commit/e69378d7e82a503534d29c5939fa219341e8f2ad
https://access.redhat.com/security/cve/CVE-2016-4989
http://securitytracker.com/id/1036144
https://access.redhat.com/errata/RHSA-2016:1293
https://github.com/fedora-selinux/setroubleshoot/commit/dda55aa50db95a25f0d919c3a0d5871827cdc40f
https://rhn.redhat.com/errata/RHSA-2016-1267.html
https://bugzilla.redhat.com/show_bug.cgi?id=1346461
http://seclists.org/oss-sec/2016/q2/574
https://nvd.nist.gov/vuln/detail/CVE-2016-4989
https://www.mend.io/vulnerability-database/CVE-2016-4989

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-77

CVSS v3.1

Base Score:
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

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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