setroubleshoot up to 3.2.22 allow_execmod commands.getstatusoutput Binary File Name command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in setroubleshoot up to 3.2.22. This impacts the function commands.getstatusoutput of the component allow_execmod. Executing a manipulation as part of Binary File Name can lead to command injection. This vulnerability is tracked as CVE-2016-4444. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in setroubleshoot up to 3.2.22. It has been declared as critical. This vulnerability affects the function commands.getstatusoutput of the component allow_execmod. The manipulation as part of a Binary File Name leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The allow_execmod plugin for setroubleshoot before 3.2.23 allows local users to execute arbitrary commands by triggering an execmod SELinux denial with a crafted binary filename, related to the commands.getstatusoutput function.

The bug was discovered 06/22/2016. The weakness was disclosed 04/11/2017 with Red Hat as not defined mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2016-4444 since 05/02/2016. The exploitation appears to be easy. The attack needs to be approached locally. A single authentication is necessary for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability scanner Nessus provides a plugin with the ID 91732 (CentOS 6 : setroubleshoot / setroubleshoot-plugins (CESA-2016:1267)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157212 (Oracle Enterprise Linux Security Update for setroubleshoot and setroubleshoot-plugins (ELSA-2016-1267)).

Upgrading to version 3.2.23 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (91732) and SecurityFocus (BID 91476†). The entries VDB-99593, VDB-99594 and VDB-99595 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91732
Nessus Name: CentOS 6 : setroubleshoot / setroubleshoot-plugins (CESA-2016:1267)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for setroubleshoot CESA-2016:1293 centos7
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: setroubleshoot 3.2.23
Patch: github.com

Timelineinfo

05/02/2016 🔍
06/21/2016 +50 days 🔍
06/21/2016 +0 days 🔍
06/22/2016 +1 days 🔍
06/22/2016 +0 days 🔍
04/11/2017 +293 days 🔍
04/11/2017 +0 days 🔍
04/12/2017 +1 days 🔍
11/28/2022 +2056 days 🔍

Sourcesinfo

Advisory: RHSA-2016:1267
Organization: Red Hat
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4444 (🔍)
GCVE (CVE): GCVE-0-2016-4444
GCVE (VulDB): GCVE-100-99592
SecurityFocus: 91476 - setroubleshoot-plugins CVE-2016-4444 Local Arbitrary Code Execution Vulnerability
OSVDB: - CVE-2016-4444 - setroubleshoot - Command Execution Issue
SecurityTracker: 1036144

See also: 🔍

Entryinfo

Created: 04/12/2017 09:52
Updated: 11/28/2022 09:57
Changes: 04/12/2017 09:52 (76), 08/29/2020 09:47 (6), 11/28/2022 09:54 (7), 11/28/2022 09:57 (1)
Complete: 🔍
Cache ID: 216::103

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