Description

pkexec, when used with --user nonpriv, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

INFO

Published Date :

Feb. 13, 2017, 6:59 p.m.

Last Modified :

Nov. 21, 2024, 2:48 a.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

1.1
Public PoC/Exploit Available at Github

CVE-2016-2568 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2016-2568 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
1 Freedesktop polkit
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-2016-2568.

URL Resource
http://www.openwall.com/lists/oss-security/2016/02/26/3 Mailing List Third Party Advisory
https://access.redhat.com/security/cve/cve-2016-2568 Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1300746 Issue Tracking Third Party Advisory
https://ubuntu.com/security/CVE-2016-2568 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/26/3 Mailing List Third Party Advisory
https://access.redhat.com/security/cve/cve-2016-2568 Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1300746 Issue Tracking Third Party Advisory
https://ubuntu.com/security/CVE-2016-2568 Third Party Advisory

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: 1 month, 3 weeks ago
10 stars 0 fork 0 watcher
Born at : March 14, 2023, 7:12 p.m. This repo has been linked 20 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-2016-2568 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-2568 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://www.openwall.com/lists/oss-security/2016/02/26/3
    Added Reference https://access.redhat.com/security/cve/cve-2016-2568
    Added Reference https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1300746
    Added Reference https://ubuntu.com/security/CVE-2016-2568
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Apr. 18, 2022

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://access.redhat.com/security/cve/cve-2016-2568 No Types Assigned https://access.redhat.com/security/cve/cve-2016-2568 Third Party Advisory
    Changed Reference Type https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062 No Types Assigned https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062 Mailing List, Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1300746 Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1300746 Issue Tracking, Third Party Advisory
    Changed Reference Type https://ubuntu.com/security/CVE-2016-2568 No Types Assigned https://ubuntu.com/security/CVE-2016-2568 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 29, 2021

    Action Type Old Value New Value
    Added Reference https://ubuntu.com/security/CVE-2016-2568 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/cve-2016-2568 [No Types Assigned]
    Added Reference https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062 [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 09, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/02/26/3 No Types Assigned http://www.openwall.com/lists/oss-security/2016/02/26/3 Mailing List, Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1300746 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1300746 Issue Tracking
    Added CWE CWE-116
    Added CPE Configuration OR *cpe:2.3:a:freedesktop:polkit:*:*:*:*:*:*:*:*
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-2568 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-2568 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability