Headline
RHSA-2023:1018: Red Hat Security Advisory: Red Hat OpenStack Platform 17.0 (python-werkzeug) security update
An update for python-werkzeug is now available for Red Hat OpenStack Platform 17.0 (Wallaby). Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Related CVEs:
- CVE-2023-25577: A flaw was found in python-werkzeug. Werkzeug is multipart form data parser, that will parse an unlimited number of parts, including file parts. These parts can be a small amount of bytes, but each requires CPU time to parse, and may use more memory as Python data. If a request can be made to an endpoint that accesses request.data, request.form, request.files, or request.get_data(parse_form_data=False), it can cause unexpectedly high resource usage, allowing an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests, and if many concurrent requests are sent continuously, this can exhaust or kill all available workers.
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Issued:
2023-02-28
Updated:
2023-02-28
RHSA-2023:1018 - Security Advisory
- Overview
- Updated Packages
Synopsis
Important: Red Hat OpenStack Platform 17.0 (python-werkzeug) security update
Type/Severity
Security Advisory: Important
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
View affected systems
Topic
An update for python-werkzeug is now available for Red Hat OpenStack
Platform 17.0 (Wallaby).
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
Description
Werkzeug ======== Werkzeug started as simple collection of various
utilities for WSGI applications and has become one of the most advanced
WSGI utility modules. It includes a powerful debugger, full featured
request and response objects, HTTP utilities to handle entity tags, cache
control headers, HTTP dates, cookie handling, file uploads, a powerful URL
routing system and a bunch of community contributed addon modules. Werkzeug
is unicode aware and doesn’t enforce a specific template engine, database
adapter or anything else. It doesn’t even enforce a specific way of
handling requests and leaves all that up to the developer. It’s most useful
for end user applications which should work on as many server environments
as possible (such as blogs, wikis, bulletin boards, etc.).
Security Fix(es):
- high resource usage when parsing multipart form data with many fields
(CVE-2023-25577)
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.
Affected Products
- Red Hat OpenStack 17 x86_64
Fixes
- BZ - 2170242 - CVE-2023-25577 python-werkzeug: high resource usage when parsing multipart form data with many fields
Red Hat OpenStack 17
SRPM
python-werkzeug-2.0.1-5.el9ost.src.rpm
SHA-256: 4141d4f2bab3d44ed059e5a4cf9ef90834c9d63b78a26ad7c8857da2fb4b5bed
x86_64
python3-werkzeug-2.0.1-5.el9ost.noarch.rpm
SHA-256: 99f61653b13e5d4b2c80657504738cd2b1ad4c66eed109a30172ea536127f2ce
The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.
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