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Ubuntu 14.04 LTS : wpa vulnerability (USN-3969-2)

medium Nessus Plugin ID 124759

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Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

USN-3969-1 fixed a vulnerability in wpa_supplicant and hostapd. This update provides the corresponding update for Ubuntu 14.04 ESM.

Original advisory details :

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.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected hostapd and / or wpasupplicant packages.

See Also

https://usn.ubuntu.com/3969-2/

Plugin Details

Severity: Medium

ID: 124759

File Name: ubuntu_USN-3969-2.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/10/2019

Updated: 1/17/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:hostapd, p-cpe:/a:canonical:ubuntu_linux:wpasupplicant, cpe:/o:canonical:ubuntu_linux:14.04

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Patch Publication Date: 5/9/2019

Vulnerability Publication Date: 4/26/2019

Reference Information

CVE: CVE-2019-11555

USN: 3969-2