---
title: "CVE-2016-7032\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2016-7032?format=md
keywords: index, follow
---

# CVE-2016-7032

Publication date 14 April 2017

Last updated 25 August 2025

---

Ubuntu priority

**Negligible**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**7.0 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2016-7032?format=md#impact-score)

Toggle side navigation

## Description

sudo\_noexec.so in Sudo before 1.8.15 on Linux might allow local users to
bypass intended noexec command restrictions via an application that calls
the (1) system or (2) popen function.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2016-7032?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| sudo | 21.04 hirsute | Not affected |
| 20.10 groovy | Not affected |
| 20.04 LTS focal | Not affected |
| 19.10 eoan | Not affected |
| 19.04 disco | Not affected |
| 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Not affected |
| 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Fixed 1.8.9p5-1ubuntu1.5+esm5  Ubuntu Pro |
| 12.04 LTS precise | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2016-7032?format=md#patch-details)

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## Notes

---

### [seth-arnold](https://launchpad.net/~seth-arnold)

I'm marking this negligible because this feature seems doomed
to failure in the general case. Any sort of memory-protection flaws
in the target process, or ability to execute system calls directly,
or programs that don't use the standard C libraries, etc. won't be
affected by this feature.
If you rely upon this feature I suggest instead seccomp2-based
filters to disable the execve() and execveat() system calls at the
kernel interface or AppArmor (or other MAC system) to restrict which
executables can be executed.

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| sudo | * Upstream:   <https://www.sudo.ws/repos/sudo/rev/58a5c06b5257> * Upstream:   <https://www.sudo.ws/repos/sudo/rev/a826cd7787e9> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.0 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | High |
  | Privileges required | Low |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.0 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7032)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-7032)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-7032)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-7032)

### Related Ubuntu Security Notices (USN)

+ [USN-3968-3](https://usn.ubuntu.com/USN-3968-3)
+ Sudo vulnerabilities
+ 28 September 2020

### Other references

* <https://www.sudo.ws/alerts/noexec_bypass.html>
* <https://www.sudo.ws/devel.html#1.8.15rc1>
* <https://www.sudo.ws/repos/sudo/rev/58a5c06b5257>
* <https://www.sudo.ws/repos/sudo/rev/a826cd7787e9>
* <https://www.cve.org/CVERecord?id=CVE-2016-7032>