---
title: "CVE-2015-4144\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-2015-4144?format=md
keywords: index, follow
---

# CVE-2015-4144

Publication date 1 June 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 EAP-pwd server and peer implementation in hostapd and wpa\_supplicant
1.0 through 2.4 does not validate that a message is long enough to contain
the Total-Length field, which allows remote attackers to cause a denial of
service (crash) via a crafted message.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| hostapd | 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not affected |
| wpa | 15.04 vivid | Fixed 2.1-0ubuntu7.2 |
| 14.10 utopic | Fixed 2.1-0ubuntu4.2 |
| 14.04 LTS trusty | Fixed 2.1-0ubuntu1.3 |
| 12.04 LTS precise | Not in release |
| wpasupplicant | 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not affected |

---

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4144)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-4144)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-4144)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-4144)

### Related Ubuntu Security Notices (USN)

+ [USN-2650-1](https://usn.ubuntu.com/USN-2650-1)
+ wpa\_supplicant and hostapd vulnerabilities
+ 16 June 2015

### Other references

* <http://w1.fi/security/2015-4/>
* <http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt>
* <http://w1.fi/security/2015-4/0003-EAP-pwd-peer-Fix-Total-Length-parsing-for-fragment-r.patch>
* <http://w1.fi/security/2015-4/0004-EAP-pwd-server-Fix-Total-Length-parsing-for-fragment.patch>
* <http://www.openwall.com/lists/oss-security/2015/05/07/5>
* <https://www.cve.org/CVERecord?id=CVE-2015-4144>