---
title: "CVE-2018-1308\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-2018-1308?format=md
keywords: index, follow
---

# CVE-2018-1308

Publication date 9 April 2018

Last updated 18 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-2018-1308?format=md#impact-score)

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## Description

This vulnerability in Apache Solr 1.2 to 6.6.2 and 7.0.0 to 7.2.1 relates
to an XML external entity expansion (XXE) in the `&dataConfig=<inlinexml>`
parameter of Solr's DataImportHandler. It can be used as XXE using
file/ftp/http protocols in order to read arbitrary local files from the
Solr server or the internal network.

### From the Ubuntu Security Team

It was discovered that Apache Solr has a XML external entity expansion (XXE)
vulnerability. A attacker could use it to read arbitrary local files.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| lucene-solr | 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 | Not affected |
| 18.04 LTS bionic | Vulnerable |
| 17.10 artful | Fixed 3.6.2+dfsg-10+deb9u2build0.17.10.1 |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Fixed 3.6.2+dfsg-2ubuntu0.1~esm2  Ubuntu Pro |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

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## 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-2018-1308)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-1308)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-1308)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-1308)

### Other references

* <http://www.openwall.com/lists/oss-security/2018/04/08/3>
* <https://issues.apache.org/jira/browse/SOLR-11971>
* <https://mail-archives.apache.org/mod_mbox/www-announce/201804.mbox/%3C000001d3cf68%245ac69af0%241053d0d0%24%40apache.org%3E>
* <https://www.cve.org/CVERecord?id=CVE-2018-1308>