7.8
HIGH
CVE-2016-2779
"util-linux runuser TIOCSTIIoctl Escape Vulnerability"
Description

runuser in util-linux 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. 7, 2017, 3:59 p.m.

Last Modified :

Jan. 4, 2019, 2:14 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2016-2779 has a 23 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-2016-2779 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 Kernel util-linux
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-2016-2779.

URL Resource
http://www.openwall.com/lists/oss-security/2016/02/27/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/27/2 Mailing List Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922 Issue Tracking 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).

None

Dockerfile Makefile Go

Updated: 5 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : June 11, 2024, 7:49 p.m. This repo has been linked 1 different CVEs too.

None

Dockerfile Shell Go

Updated: 5 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : June 6, 2024, 11:55 a.m. This repo has been linked 1 different CVEs too.

None

Dockerfile Shell Go

Updated: 9 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 26, 2024, 12:13 p.m. This repo has been linked 1 different CVEs too.

None

Dockerfile Shell Go

Updated: 10 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Dec. 30, 2023, 4:16 a.m. This repo has been linked 1 different CVEs too.

Example vulnerable helm code for xef scannig.

Smarty

Updated: 1 year, 5 months ago
0 stars 0 fork 0 watcher
Born at : June 14, 2023, 2:30 p.m. This repo has been linked 9 different CVEs too.

: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: 2 months, 2 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.

None

Dockerfile Shell

Updated: 2 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 22, 2022, 3:42 a.m. This repo has been linked 1 different CVEs too.

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 10 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

None

Updated: 2 years, 3 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 3, 2022, 7:11 p.m. This repo has been linked 61 different CVEs too.

None

Dockerfile Shell Go

Updated: 3 years ago
0 stars 0 fork 0 watcher
Born at : Nov. 17, 2021, 11:43 a.m. This repo has been linked 1 different CVEs too.

A small Python utility for wrapping some CNCF tools.

Python

Updated: 3 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 10, 2021, 12:02 p.m. This repo has been linked 3 different CVEs too.

Yet Another Switch User

gosu setuid setgid setgroups exec yasu

Shell Go Dockerfile HCL

Updated: 4 months, 4 weeks ago
17 stars 0 fork 0 watcher
Born at : March 2, 2021, 8 a.m. This repo has been linked 1 different CVEs too.

None

Dockerfile Makefile Shell Go Smarty Open Policy Agent Mustache

Updated: 3 years, 8 months ago
0 stars 1 fork 1 watcher
Born at : Feb. 25, 2021, 9:59 a.m. This repo has been linked 61 different CVEs too.

None

Dockerfile Makefile

Updated: 2 years, 3 months ago
1 stars 0 fork 0 watcher
Born at : Dec. 15, 2020, 7:02 p.m. This repo has been linked 61 different CVEs too.

None

Dockerfile Makefile Shell Go Smarty Open Policy Agent

Updated: 5 months ago
2 stars 0 fork 0 watcher
Born at : Sept. 21, 2020, 7:37 a.m. This repo has been linked 61 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-2016-2779 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-2779 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
  • CPE Deprecation Remap by [email protected]

    Jan. 04, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:util-linux_project:util-linux:2.24.2-1:*:*:*:*:*:*:* OR *cpe:2.3:a:kernel:util-linux:2.24.2-1:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Mar. 02, 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:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/02/27/2 No Types Assigned http://www.openwall.com/lists/oss-security/2016/02/27/2 Third Party Advisory, Mailing List
    Changed Reference Type https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922 No Types Assigned https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922 Third Party Advisory, Issue Tracking
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/02/27/1 No Types Assigned http://www.openwall.com/lists/oss-security/2016/02/27/1 Third Party Advisory, Mailing List
    Added CWE CWE-264
    Added CPE Configuration OR *cpe:2.3:a:util-linux_project:util-linux:2.24.2-1:*:*:*:*:*:*:*
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-2016-2779 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-2016-2779 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

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability