---
title: "CVE-2016-10173\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-2016-10173?format=md
keywords: index, follow
---

# CVE-2016-10173

Publication date 1 February 2017

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2016-10173?format=md#impact-score)

Toggle side navigation

## Description

Directory traversal vulnerability in the minitar before 0.6 and
archive-tar-minitar 0.5.2 gems for Ruby allows remote attackers to write to
arbitrary files via a .. (dot dot) in a TAR archive entry.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ruby-archive-tar-minitar | 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Fixed 0.5.2-2+deb8u1build0.14.04.1 |
| 12.04 LTS precise | Fixed 0.5.2-2+deb8u1build0.12.04.1 |
| ruby-minitar | 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Not affected |
| 17.04 zesty | Not affected |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Fixed 0.5.4-3.1build0.16.04.1 |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |

---

* [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-2016-10173?format=md#patch-details)

### 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 |
| --- | --- |
| ruby-archive-tar-minitar | * Upstream:   [e25205e](https://github.com/halostatue/minitar/commit/e25205ecbb6277ae8a3df1e6a306d7ed4458b6e4) |
| ruby-minitar | * Upstream:   [e25205e](https://github.com/halostatue/minitar/commit/e25205ecbb6277ae8a3df1e6a306d7ed4458b6e4) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10173)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-10173)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-10173)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-10173)

### Other references

* <https://github.com/halostatue/minitar/issues/16>
* <https://github.com/halostatue/minitar/commit/e25205ecbb6277ae8a3df1e6a306d7ed4458b6e4>
* <https://bugzilla.opensuse.org/show_bug.cgi?id=1021740>
* <https://www.cve.org/CVERecord?id=CVE-2016-10173>