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Ubuntu 16.04 LTS / 18.04 LTS : wpa_supplicant and hostapd vulnerability (USN-3969-1)

medium Nessus Plugin ID 124696

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3969-1 advisory.

 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.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-3969-1

Plugin Details

Severity: Medium

ID: 124696

File Name: ubuntu_USN-3969-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 5/8/2019

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2019-11555

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:wpasupplicant, p-cpe:/a:canonical:ubuntu_linux:wpasupplicant-udeb, p-cpe:/a:canonical:ubuntu_linux:wpagui, p-cpe:/a:canonical:ubuntu_linux:hostapd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/7/2019

Vulnerability Publication Date: 4/26/2019

Reference Information

CVE: CVE-2019-11555

USN: 3969-1