Executive Summary

Summary
Title wpa_supplicant and hostapd vulnerabilities
Informations
Name USN-2808-1 First vendor Publication 2015-11-10
Vendor Ubuntu Last vendor Modification 2015-11-10
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 15.10 - Ubuntu 15.04 - Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in wpa_supplicant and hostapd.

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

Details:

It was discovered that wpa_supplicant incorrectly handled WMM Sleep Mode Response frame processing. A remote attacker could use this issue to perform broadcast/multicast packet injections, or cause a denial of service. (CVE-2015-5310)

It was discovered that wpa_supplicant and hostapd incorrectly handled certain EAP-pwd messages. A remote attacker could use this issue to cause a denial of service. (CVE-2015-5314, CVE-2015-5315)

It was discovered that wpa_supplicant incorrectly handled certain EAP-pwd Confirm messages. A remote attacker could use this issue to cause a denial of service. This issue only applied to Ubuntu 15.10. (CVE-2015-5316)

Update instructions:

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

Ubuntu 15.10:
hostapd 2.4-0ubuntu3.2
wpasupplicant 2.4-0ubuntu3.2

Ubuntu 15.04:
hostapd 2.1-0ubuntu7.3
wpasupplicant 2.1-0ubuntu7.3

Ubuntu 14.04 LTS:
hostapd 2.1-0ubuntu1.4
wpasupplicant 2.1-0ubuntu1.4

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

References:
http://www.ubuntu.com/usn/usn-2808-1
CVE-2015-5310, CVE-2015-5314, CVE-2015-5315, CVE-2015-5316

Package Information:
https://launchpad.net/ubuntu/+source/wpa/2.4-0ubuntu3.2
https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu7.3
https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu1.4

Original Source

Url : http://www.ubuntu.com/usn/USN-2808-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer
25 % CWE-476 NULL Pointer Dereference
25 % CWE-200 Information Exposure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 38
Os 1
Os 5

Nessus® Vulnerability Scanner

Date Description
2017-10-30 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-1201.nasl - Type : ACT_GATHER_INFO
2017-03-30 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_04bc4e239a7042cb9fec3613632d34bc.nasl - Type : ACT_GATHER_INFO
2016-09-26 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2016-1104.nasl - Type : ACT_GATHER_INFO
2016-09-15 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2016-2305-1.nasl - Type : ACT_GATHER_INFO
2016-04-19 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_976567f605c511e694fa002590263bf5.nasl - Type : ACT_GATHER_INFO
2015-11-11 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3397.nasl - Type : ACT_GATHER_INFO
2015-11-11 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-2808-1.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2018-03-21 17:21:15
  • Multiple Updates
2018-02-21 21:22:22
  • Multiple Updates
2016-01-08 09:27:16
  • Multiple Updates
2016-01-07 00:27:33
  • Multiple Updates
2015-11-12 13:24:46
  • Multiple Updates
2015-11-10 21:22:12
  • First insertion