USN-3969-2

It was discovered that wpa_supplicant and hostapd incorrectly handled unexpected fragments when using EAP-pwd. A remote attacker could possibly use this issue to cause a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / wpa

Package

Name: wpa
Purl: pkg:deb/ubuntu/wpa@2.1-0ubuntu1.7+esm1?arch=source&distro=trusty/esm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.1-0ubuntu1.7+esm1

Affected versions

1.*

1.0-3ubuntu2

1.0-3ubuntu3

1.0-3ubuntu4

2.*

2.1-0ubuntu1

2.1-0ubuntu1.1

2.1-0ubuntu1.2

2.1-0ubuntu1.3

2.1-0ubuntu1.4

2.1-0ubuntu1.5

2.1-0ubuntu1.6

2.1-0ubuntu1.7

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1:2.1-0ubuntu1.7+esm1",
            "binary_name": "hostapd"
        },
        {
            "binary_version": "2.1-0ubuntu1.7+esm1",
            "binary_name": "wpagui"
        },
        {
            "binary_version": "2.1-0ubuntu1.7+esm1",
            "binary_name": "wpasupplicant"
        }
    ]
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "id": "CVE-2019-11555",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            }
        ],
        "ecosystem": "Ubuntu:Pro:14.04:LTS"
    }
}