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AUSCERT External Security Bulletin Redistribution
ESB-2018.2442
wpa_supplicant and hostapd vulnerability
21 August 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: wpa_supplicant
hostapd
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-14526
Reference: ESB-2018.2350
ESB-2018.2297
Original Bulletin:
http://www.ubuntu.com/usn/usn-3745-1
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Ubuntu Security Notice USN-3745-1
August 20, 2018
wpa vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 18.04 LTS
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Summary:
wpa_supplicant and hostapd could be made to expose sensitive
information if it received a crafted message.
Software Description:
- - wpa: client support for WPA and WPA2
Details:
It was discovered that wpa_supplicant and hostapd incorrectly handled
certain messages. An attacker could possibly use this to access
sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
hostapd 2:2.6-15ubuntu2.1
wpasupplicant 2:2.6-15ubuntu2.1
Ubuntu 16.04 LTS:
hostapd 2.4-0ubuntu6.3
wpasupplicant 2.4-0ubuntu6.3
Ubuntu 14.04 LTS:
hostapd 2.1-0ubuntu1.6
wpasupplicant 2.1-0ubuntu1.6
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3745-1
CVE-2018-14526
Package Information:
https://launchpad.net/ubuntu/+source/wpa/2:2.6-15ubuntu2.1
https://launchpad.net/ubuntu/+source/wpa/2.4-0ubuntu6.3
https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu1.6
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===========================================================================
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