Executive Summary

Summary
Title wpa_supplicant and hostapd vulnerability
Informations
NameUSN-4098-1First vendor Publication2019-08-14
VendorUbuntuLast vendor Modification2019-08-14
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base ScoreN/AAttack RangeN/A
Cvss Impact ScoreN/AAttack ComplexityN/A
Cvss Expoit ScoreN/AAuthenticationN/A
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04 - Ubuntu 18.04 LTS

Summary:

wpa_supplicant and hostapd could be made to expose sensitive information over the network.

Software Description: - wpa: client support for WPA and WPA2

Details:

It was discovered that wpa_supplicant and hostapd were vulnerable to a side channel attack against EAP-pwd. A remote attacker could possibly use this issue to recover certain passwords.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04:
hostapd 2:2.6-21ubuntu3.2
wpasupplicant 2:2.6-21ubuntu3.2

Ubuntu 18.04 LTS:
hostapd 2:2.6-15ubuntu2.4
wpasupplicant 2:2.6-15ubuntu2.4

After a standard system update you need to reboot your computer to make all the necessary changes.

References:
https://usn.ubuntu.com/4098-1
CVE-2019-13377

Package Information:
https://launchpad.net/ubuntu/+source/wpa/2:2.6-21ubuntu3.2
https://launchpad.net/ubuntu/+source/wpa/2:2.6-15ubuntu2.4

Original Source

Url : http://www.ubuntu.com/usn/USN-4098-1

Alert History

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0
DateInformations
2019-08-14 17:19:01
  • First insertion