---
title: "CVE-2018-3760\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-2018-3760?format=md
keywords: index, follow
---

# CVE-2018-3760

Publication date 26 June 2018

Last updated 24 June 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-2018-3760?format=md#impact-score)

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## Description

There is an information leak vulnerability in Sprockets. Versions Affected:
4.0.0.beta7 and lower, 3.7.1 and lower, 2.12.4 and lower. Specially crafted
requests can be used to access files that exists on the filesystem that is
outside an application's root directory, when the Sprockets server is used
in production. All users running an affected release should either upgrade
or use one of the work arounds immediately.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ruby-sprockets | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not affected |
| 25.04 plucky | Not affected |
| 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 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 | Ignored end of life |
| 18.04 LTS bionic | Fixed 3.7.0-1+deb9u1build0.18.04.1 |
| 17.10 artful | Fixed 3.7.0-1+deb9u1build0.17.10.1 |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | 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)

## 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 | High |
  | Integrity impact | None |
  | 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:H/I:N/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3760)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-3760)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-3760)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-3760)

### Other references

* <http://www.openwall.com/lists/oss-security/2018/06/19/2>
* <https://github.com/rails/sprockets/commit/c09131cf5b2c479263939c8582e22b98ed616c5f>
* <https://www.cve.org/CVERecord?id=CVE-2018-3760>