Inconsistent interpretation of HTTP requests in waitress - CVE-2022-24761

Vulnerability identifier: #VU61488

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-24761

CWE-ID: CWE-444

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validating if the incoming HTTP request matches the RFC7230 standard. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

waitress
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Enterprise Storage
Fedora
SUSE Linux Enterprise Storage
SUSE OpenStack Cloud
HPE Helion Openstack
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Basesystem
openSUSE Leap
openEuler
Ubuntu
Red Hat OpenShift Container Platform
Red Hat OpenStack
Red Hat OpenStack for IBM Power
SUSE Linux Enterprise Module for Packagehub Subpackages
python3-waitress
python2-waitress
python-waitress
waitress (Debian package)
python3-waitress (Ubuntu package)
python-waitress (Red Hat package)
Oracle Communications Cloud Native Core Network Function Cloud Native Environment

Install updates from vendor's website.

waitress - update to 2.1.1
Red Hat OpenShift Container Platform - update to 4.10.10
python3-waitress - update to 1.1.0-5
python2-waitress - update to 1.1.0-5
python-waitress - update to 1.1.0-5
waitress (Debian package) - addressed in versions 1.2.0~b2-2+deb10u1, 1.4.4-1.1+deb11u1
python3-waitress (Ubuntu package) - addressed in versions 1.4.1-1ubuntu0.1, 1.4.4-1.1ubuntu0.1
python-waitress - addressed in versions 1.4.3-2.el7, 1.4.3-2.el8, 1.4.4-8.el9
python-waitress - update to 1.4.3-3.6.1
python3-waitress - update to 1.4.3-150000.3.6.1
python2-waitress - update to 1.4.3-150000.3.6.1
python-waitress (Red Hat package) - addressed in versions 1.4.4-2.el7ost, 2.0.0-1.el8ost

• https://github.com/Pylons/waitress/commit/9e0b8c801e4d505c2ffc91b891af4ba48af715e0
• https://github.com/Pylons/waitress/security/advisories/GHSA-4f7p-27jc-3c36
• https://github.com/Pylons/waitress/releases/tag/v2.1.1

• HTTP Request Smuggling in Pylons Project Waitress
• Ubuntu update for waitress
• OpenStack Platform 16.2 update for python-waitress
• OpenStack Platform 16.1 update for python-waitress
• Red Hat OpenStack Platform 13.0 update for python-waitress
• Multiple vulnerabilities in OpenShift Container Platform 4.10
• Debian update for waitress
• SUSE update for python-waitress
• SUSE update for python-waitress
• Multiple vulnerabilities in Oracle Communications Cloud Native Core Network Function Cloud Native Environment
• SUSE update for python-waitress
• Fedora EPEL 9 update for python-waitress
• openEuler update for python-waitress
• Fedora EPEL 8 update for python-waitress
• Fedora EPEL 7 update for python-waitress