Vulnerability Details : CVE-2016-4446
Potential exploit
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.
Products affected by CVE-2016-4446
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:setroubleshoot_project:setroubleshoot:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4446
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4446
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
7.0
|
HIGH | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2016-4446
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4446
-
https://github.com/fedora-selinux/setroubleshoot/commit/eaccf4c0d20a27d3df5ff6de8c9dcc80f6f40718
plugins: Use subprocess.check_output() with a sequence of program arg… · fedora-selinux/setroubleshoot@eaccf4c · GitHubPatch
-
https://bugzilla.redhat.com/show_bug.cgi?id=1339250
1339250 – (CVE-2016-4446) CVE-2016-4446 setroubleshoot-plugins: insecure commands.getoutput use in the allow_execstack pluginIssue Tracking
-
https://access.redhat.com/errata/RHSA-2016:1293
RHSA-2016:1293 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.securitytracker.com/id/1036144
SETroubleShoot allow_execmod Plugin Lets Local Users Obtain Root Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
https://rhn.redhat.com/errata/RHSA-2016-1267.html
RHSA-2016:1267 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.securityfocus.com/bid/91427
setroubleshoot-plugins CVE-2016-4446 Local Arbitrary Code Execution VulnerabilityThird Party Advisory;VDB Entry
-
http://seclists.org/oss-sec/2016/q2/575
oss-sec: Re: SELinux troublesExploit;Mailing List;Patch;Third Party Advisory
Jump to