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

high Nessus Plugin ID 170307

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Synopsis

The remote Red Hat host is missing one or more security updates for python-waitress.

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 is a pure Python WSGI server which supports HTTP/1.0 and HTTP/1.1.

Security Fix(es):

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

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

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

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL python-waitress package based on the guidance in RHSA-2020:0720.

Plugin Details

Severity: High

ID: 170307

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

Version: 1.4

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 1/23/2023

Updated: 11/7/2024

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

Vendor

Vendor Severity: Low

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

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

Detections

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