8.8
HIGH CVSS 3.0
CVE-2016-7545
SELinux policycoreutils Unix Privilege Escalation Vulnerability
Description

SELinux policycoreutils allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call.

INFO

Published Date :

Jan. 19, 2017, 8:59 p.m.

Last Modified :

April 20, 2025, 1:37 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2016-7545 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_server_tus
5 Redhat enterprise_linux_hpc_node
1 Fedoraproject fedora
1 Selinux_project selinux
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.0 HIGH [email protected]
Solution
The SELinux policycoreutils package is vulnerable to a privilege escalation vulnerability; updating the package is recommended.
  • Update the affected policycoreutils packages.
  • Update your system.
Public PoC/Exploit Available at Github

CVE-2016-7545 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-7545.

URL Resource
http://rhn.redhat.com/errata/RHSA-2016-2702.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0535.html
http://rhn.redhat.com/errata/RHSA-2017-0536.html
http://www.openwall.com/lists/oss-security/2016/09/25/1 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93156 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037283
https://github.com/SELinuxProject/selinux/commit/acca96a135a4d2a028ba9b636886af99c0915379 Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/
https://marc.info/?l=selinux&m=147465160112766&w=2 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2702.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0535.html
http://rhn.redhat.com/errata/RHSA-2017-0536.html
http://www.openwall.com/lists/oss-security/2016/09/25/1 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93156 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037283
https://github.com/SELinuxProject/selinux/commit/acca96a135a4d2a028ba9b636886af99c0915379 Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/
https://marc.info/?l=selinux&m=147465160112766&w=2 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-7545 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

:ninja: seccomp-based anti-TTY-hijacking proof-of-concept (prevents TIOCSTI and TIOCLINUX)

ioctl linux security tioclinux tiocsti seccomp seccomp-filter seccomp-filtering seccomp-tools command-injection libseccomp tty c99 syscalls syscall-filter doas sudo

Makefile C

Updated: 3 weeks ago
11 stars 0 fork 0 watcher
Born at : March 14, 2023, 7:12 p.m. This repo has been linked 20 different CVEs too.

Demo showing how to use the vulnerability module

Ruby Puppet PowerShell Shell

Updated: 3 years, 7 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 12, 2022, 5:59 p.m. This repo has been linked 4 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-7545 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-7545 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-2702.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2017-0535.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2017-0536.html
    Added Reference http://www.openwall.com/lists/oss-security/2016/09/25/1
    Added Reference http://www.securityfocus.com/bid/93156
    Added Reference http://www.securitytracker.com/id/1037283
    Added Reference https://github.com/SELinuxProject/selinux/commit/acca96a135a4d2a028ba9b636886af99c0915379
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/
    Added Reference https://marc.info/?l=selinux&m=147465160112766&w=2
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/
  • CVE Modified by [email protected]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2017-0536.html [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2017-0535.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 28, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1037283 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 20, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://github.com/SELinuxProject/selinux/commit/acca96a135a4d2a028ba9b636886af99c0915379 No Types Assigned https://github.com/SELinuxProject/selinux/commit/acca96a135a4d2a028ba9b636886af99c0915379 Third Party Advisory, Issue Tracking, Patch
    Changed Reference Type http://www.securityfocus.com/bid/93156 No Types Assigned http://www.securityfocus.com/bid/93156 Third Party Advisory, VDB Entry
    Changed Reference Type https://marc.info/?l=selinux&m=147465160112766&w=2 No Types Assigned https://marc.info/?l=selinux&m=147465160112766&w=2 Third Party Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-2702.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-2702.html Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/ Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/09/25/1 No Types Assigned http://www.openwall.com/lists/oss-security/2016/09/25/1 Third Party Advisory, Mailing List
    Added CWE CWE-284
    Added CPE Configuration OR *cpe:2.3:a:selinux_project:selinux:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.2
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} -0.06%

score

0.06892

percentile