Detections
Analytics

Ubuntu 18.04 LTS : OpenConnect vulnerability (USN-4565-1)

critical Nessus Plugin ID 141182

Language:

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4565-1 advisory.

 - process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. (CVE-2019-16239)

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 libopenconnect-dev, libopenconnect5 and / or openconnect packages.

See Also

https://ubuntu.com/security/notices/USN-4565-1

Plugin Details

Severity: Critical

ID: 141182

File Name: ubuntu_USN-4565-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/5/2020

Updated: 10/21/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-16239

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libopenconnect-dev, p-cpe:/a:canonical:ubuntu_linux:libopenconnect5, p-cpe:/a:canonical:ubuntu_linux:openconnect

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2020

Vulnerability Publication Date: 9/17/2019

Reference Information

CVE: CVE-2019-16239

USN: 4565-1