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CVE-2024-49767

7.5 · HIGH

Werkzeug is a Web Server Gateway Interface web application library.

Published Oct 25, 2024CWE-400EPSS 1.09%

Overview

CVE-2024-49767 is a high-severity vulnerability. It was published on October 25, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Werkzeug is a Web Server Gateway Interface web application library. Applications using `werkzeug.formparser.MultiPartParser` corresponding to a version of Werkzeug prior to 3.0.6 to parse `multipart/form-data` requests (e.g. all flask applications) are vulnerable to a relatively simple but effective resource exhaustion (denial of service) attack. A specifically crafted form submission request can cause the parser to allocate and block 3 to 8 times the upload size in main memory. There is no upper limit; a single upload at 1 Gbit/s can exhaust 32 GB of RAM in less than 60 seconds. Werkzeug version 3.0.6 fixes this issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/pallets/quart/commit/5e78c4169b8eb66b91ead3e62d44721b9e1644eeGitHubgithub.com/pallets/quart/commit/abb04a512496206de279225340ed022852fbf51fGitHubgithub.com/pallets/werkzeug/commit/50cfeebcb0727e18cc52ffbeb125f4a66551179bGitHubgithub.com/pallets/werkzeug/releases/tag/3.0.6GitHubgithub.com/pallets/werkzeug/security/advisories/GHSA-q34m-jh98-gwm2Refsecurity.netapp.com/advisory/ntap-20250103-0007/

How CyberStrike helps

Frequently asked questions

What is CVE-2024-49767?

CVE-2024-49767 is a high-severity vulnerability. It was published on October 25, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-49767?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-49767?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-49767?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-49767 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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