CVE-2016-2568
pkexec TIOCSTI Terminal Escape Vulnerability
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 :
April 18, 2022, 5:59 p.m.
Source :
[email protected]
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.
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 |
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
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 [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:*:*:*:*:*:*:*:*
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