- Vulnerability/
- USN-4136-1
18/9/2019
USN-4136-1: wpa_supplicant and hostapd vulnerability
First published: Wed Sep 18 2019(Updated: )
It was discovered that wpa_supplicant incorrectly handled certain management frames. An attacker could possibly use this issue to cause a denial of service.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/hostapd | <2:2.6-21ubuntu3.3 | 2:2.6-21ubuntu3.3 |
| Ubuntu Linux | =19.04 | |
| All of | ||
| ubuntu/wpasupplicant | <2:2.6-21ubuntu3.3 | 2:2.6-21ubuntu3.3 |
| Ubuntu Linux | =19.04 | |
| All of | ||
| ubuntu/hostapd | <2:2.6-15ubuntu2.5 | 2:2.6-15ubuntu2.5 |
| Ubuntu Linux | =18.04 | |
| All of | ||
| ubuntu/wpasupplicant | <2:2.6-15ubuntu2.5 | 2:2.6-15ubuntu2.5 |
| Ubuntu Linux | =18.04 | |
| All of | ||
| ubuntu/hostapd | <1:2.4-0ubuntu6.6 | 1:2.4-0ubuntu6.6 |
| Ubuntu Linux | =16.04 | |
| All of | ||
| ubuntu/wpasupplicant | <2.4-0ubuntu6.6 | 2.4-0ubuntu6.6 |
| Ubuntu Linux | =16.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2019-16275
- https://ubuntu.com/security/notices/USN-4136-2
- https://launchpad.net/ubuntu/+source/wpa/2:2.6-21ubuntu3.3
- https://launchpad.net/ubuntu/+source/wpa/2:2.6-15ubuntu2.5
- https://launchpad.net/ubuntu/+source/wpa/2.4-0ubuntu6.6
- https://ubuntu.com/security/notices/USN-4136-1 (Advisory)
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is USN-4136-1.
What software is affected by this vulnerability?
The software affected by this vulnerability is wpa_supplicant and hostapd.
What is the impact of this vulnerability?
The impact of this vulnerability is a denial of service.
How can an attacker exploit this vulnerability?
An attacker can exploit this vulnerability by manipulating certain management frames.
How can I fix this vulnerability?
To fix this vulnerability, update the affected software to version 2:2.6-21ubuntu3.3 or later.
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