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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : wpa_supplicant and hostapd vulnerabilities (USN-4734-1)

high Nessus Plugin ID 146437

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4734-1 advisory.

 - The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event- subscription URL, aka the CallStranger issue. (CVE-2020-12695)

 - In p2p_copy_client_info of p2p.c, there is a possible out of bounds write due to a missing bounds check.
 This could lead to remote code execution if the target device is performing a Wi-Fi Direct search, with no additional execution privileges needed. User interaction is not needed for exploitation.Product:
 AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-172937525 (CVE-2021-0326)

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-4734-1

Plugin Details

Severity: High

ID: 146437

File Name: ubuntu_USN-4734-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 2/11/2021

Updated: 10/16/2023

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

Risk Information

VPR

Risk Factor: High

Score: 7.8

CVSS v2

Risk Factor: High

Base Score: 7.9

Temporal Score: 6.2

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

CVSS Score Source: CVE-2021-0326

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:hostapd, p-cpe:/a:canonical:ubuntu_linux:wpagui, p-cpe:/a:canonical:ubuntu_linux:wpasupplicant, p-cpe:/a:canonical:ubuntu_linux:wpasupplicant-udeb

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/11/2021

Vulnerability Publication Date: 6/8/2020

Reference Information

CVE: CVE-2020-12695, CVE-2021-0326

USN: 4734-1