UBUNTU-CVE-2015-4146

The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not clear the L (Length) and M (More) flags before determining if a response should be fragmented, which allows remote attackers to cause a denial of service (crash) via a crafted message.

References

Affected packages

Ubuntu:14.04:LTS / wpa

Package

Name: wpa
Purl: pkg:deb/ubuntu/wpa@2.1-0ubuntu1.3?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.1-0ubuntu1.3

Affected versions

1.*

1.0-3ubuntu2

1.0-3ubuntu3

1.0-3ubuntu4

2.*

2.1-0ubuntu1

2.1-0ubuntu1.1

2.1-0ubuntu1.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "hostapd",
            "binary_version": "1:2.1-0ubuntu1.3"
        },
        {
            "binary_name": "hostapd-dbgsym",
            "binary_version": "1:2.1-0ubuntu1.3"
        },
        {
            "binary_name": "wpagui",
            "binary_version": "2.1-0ubuntu1.3"
        },
        {
            "binary_name": "wpagui-dbgsym",
            "binary_version": "2.1-0ubuntu1.3"
        },
        {
            "binary_name": "wpasupplicant",
            "binary_version": "2.1-0ubuntu1.3"
        },
        {
            "binary_name": "wpasupplicant-dbgsym",
            "binary_version": "2.1-0ubuntu1.3"
        },
        {
            "binary_name": "wpasupplicant-udeb",
            "binary_version": "2.1-0ubuntu1.3"
        },
        {
            "binary_name": "wpasupplicant-udeb-dbgsym",
            "binary_version": "2.1-0ubuntu1.3"
        }
    ]
}