RHEL 8 : python-waitress (RHSA-2020:0720)

high Nessus Plugin ID 170307

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:0720 advisory.

- waitress: HTTP request smuggling through LF vs CRLF handling (CVE-2019-16785)

- waitress: HTTP request smuggling through invalid Transfer-Encoding (CVE-2019-16786)

- waitress: HTTP Request Smuggling through Invalid whitespace characters in headers (CVE-2019-16789)

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

Solution

Update the affected python3-waitress package.

See Also

https://access.redhat.com/security/cve/CVE-2019-16785

https://access.redhat.com/security/cve/CVE-2019-16786

https://access.redhat.com/security/cve/CVE-2019-16789

https://access.redhat.com/errata/RHSA-2020:0720

https://bugzilla.redhat.com/1789807

https://bugzilla.redhat.com/1791415

https://bugzilla.redhat.com/1791420

Plugin Details

Severity: High

ID: 170307

File Name: redhat-RHSA-2020-0720.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/23/2023

Updated: 9/7/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2019-16789

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:python3-waitress

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/5/2020

Vulnerability Publication Date: 12/20/2019

Reference Information

CVE: CVE-2019-16785, CVE-2019-16786, CVE-2019-16789

CWE: 444

RHSA: 2020:0720