setroubleshoot allow_execstack commands.getoutput Filename command injection

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

A vulnerability classified as critical has been found in setroubleshoot (unknown version). Affected is the function commands.getoutput of the component allow_execstack. The manipulation as part of a Filename leads to a command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The allow_execstack plugin for setroubleshoot allows local users to execute arbitrary commands by triggering an execstack SELinux denial with a crafted filename, related to the commands.getoutput function.

The bug was discovered 06/22/2016. The weakness was shared 04/11/2017 with Red Hat as not defined mailinglist post (oss-sec). The advisory is available at seclists.org. This vulnerability is traded as CVE-2016-4446 since 05/02/2016. The exploitability is told to be easy. Local access is required to approach this attack. The requirement for exploitation is a authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

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 256034 (CentOS Security Update for setroubleshoot (CESA-2016:1267)).

Upgrading 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 vulnerability database at Tenable (91732). The entries 99592, 99593 and 99595 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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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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VulDB Base Score: 🔍
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Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
ATT&CK: T1202

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: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

05/02/2016 🔍
06/21/2016 +50 days 🔍
06/22/2016 +1 days 🔍
06/22/2016 +0 days 🔍
06/24/2016 +2 days 🔍
04/11/2017 +291 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-2016-4446 (🔍)
SecurityTracker: 1036144
SecurityFocus: 91427 - setroubleshoot-plugins CVE-2016-4446 Local Arbitrary Code Execution Vulnerability
OSVDB: - CVE-2016-4446 - setroubleshoot - Command Injection Issue

See also: 🔍

Entryinfo

Created: 04/12/2017 09:52
Updated: 11/28/2022 10:25
Changes: 04/12/2017 09:52 (74), 08/29/2020 09:52 (7), 11/28/2022 10:14 (6), 11/28/2022 10:19 (1), 11/28/2022 10:25 (1)
Complete: 🔍

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