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CVE-2023-25577

Status Candidate

Overview

Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart form data parser will parse an unlimited number of parts, including file parts. 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. This allows 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. The amount of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all available workers. Version 2.2.3 contains a patch for this issue.

Related Files

Red Hat Security Advisory 2023-1325-01
Posted May 18, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1325-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.13.0. Issues addressed include bypass, denial of service, and information leakage vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2022-2990, CVE-2022-3259, CVE-2022-41717, CVE-2022-41723, CVE-2022-41724, CVE-2022-41725, CVE-2023-0056, CVE-2023-0229, CVE-2023-0778, CVE-2023-25577, CVE-2023-25725
SHA-256 | 3c99969afc933e620ba374452c68f8593447bc9cc623598572b823c7da85ed1a
Red Hat Security Advisory 2023-1328-01
Posted May 18, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1328-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include denial of service and out of bounds read vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2021-20329, CVE-2021-38561, CVE-2022-2990, CVE-2022-3259, CVE-2022-41717, CVE-2022-41723, CVE-2022-41724, CVE-2022-41725, CVE-2023-0056, CVE-2023-0229, CVE-2023-0778, CVE-2023-25577, CVE-2023-25725
SHA-256 | 3a4e6c17a1fad21c0a5fe97d77aab166a10953b20b4daadf02981ebeea2e43b3
Red Hat Security Advisory 2023-1327-01
Posted May 17, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1327-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.13.0.

tags | advisory
systems | linux, redhat
advisories | CVE-2022-2990, CVE-2022-3259, CVE-2022-41717, CVE-2022-41723, CVE-2022-41724, CVE-2022-41725, CVE-2023-0056, CVE-2023-0229, CVE-2023-0778, CVE-2023-25577, CVE-2023-25725
SHA-256 | 73d153096202874a8cfb1a557a480fa67fb9a71dac3d3657403eddefd96eedc6
Red Hat Security Advisory 2023-1281-01
Posted Mar 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1281-01 - An update for python-werkzeug is now available for Red Hat OpenStack Platform. Issues addressed include a remote shell upload vulnerability.

tags | advisory, remote, shell, python
systems | linux, redhat
advisories | CVE-2023-25577
SHA-256 | 987d8f013217b57d1857239f6881cfb726cc3c00c621957b53627dccfc7f4cd9
Ubuntu Security Notice USN-5948-1
Posted Mar 14, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5948-1 - It was discovered that Werkzeug did not properly handle the parsing of nameless cookies. A remote attacker could possibly use this issue to shadow other cookies. It was discovered that Werkzeug could be made to process unlimited number of multipart form data parts. A remote attacker could possibly use this issue to cause Werkzeug to consume resources, leading to a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2023-23934, CVE-2023-25577
SHA-256 | 207d0bc3fb2eccfc91fe6aa3fafe7926b6b250363338d8de7dacdbc1a1962227
Red Hat Security Advisory 2023-1018-01
Posted Mar 1, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-1018-01 - An update for python-werkzeug is now available for Red Hat OpenStack Platform 17.0 (Wallaby). Issues addressed include a remote shell upload vulnerability.

tags | advisory, remote, shell, python
systems | linux, redhat
advisories | CVE-2023-25577
SHA-256 | 6cabeb616cc86e2cbaf9eeff580fc77e5c814243da7ceecee78741afbe444047
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