---
title: "CVE-2015-6524\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-2015-6524?format=md
keywords: index, follow
---

# CVE-2015-6524

Publication date 24 August 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

The LDAPLoginModule implementation in the Java Authentication and
Authorization Service (JAAS) in Apache ActiveMQ 5.x before 5.10.1 allows
wildcard operators in usernames, which allows remote attackers to obtain
credentials via a brute force attack. NOTE: this identifier was SPLIT from
CVE-2014-3612 per ADT2 due to different vulnerability types.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2015-6524?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| activemq | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 15.04 vivid | Ignored end of life |
| 14.04 LTS trusty | Fixed 5.6.0+dfsg-1+deb7u1build0.14.04.1 |
| 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)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

fixed with CVE-2014-3612

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6524)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-6524)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-6524)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-6524)

### Other references

* <http://activemq.apache.org/security-advisories.data/CVE-2014-3612-announcement.txt>
* <https://www.cve.org/CVERecord?id=CVE-2015-6524>