expressjs body-parser up to 1.20.2 amplification

Summaryinfo

A vulnerability was found in expressjs body-parser up to 1.20.2 and classified as critical. The affected element is an unknown function. The manipulation results in amplification. This vulnerability was named CVE-2024-45590. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in expressjs body-parser up to 1.20.2. It has been classified as critical. Affected is an unknown code. The manipulation with an unknown input leads to a amplification vulnerability. CWE is classifying the issue as CWE-405. The product does not properly control situations in which an adversary can cause the product to consume or produce excessive resources without requiring the adversary to invest equivalent work or otherwise prove authorization, i.e., the adversary's influence is "asymmetric." This is going to have an impact on availability. CVE summarizes:

body-parser is Node.js body parsing middleware. body-parser <1.20.3 is vulnerable to denial of service when url encoding is enabled. A malicious actor using a specially crafted payload could flood the server with a large number of requests, resulting in denial of service. This issue is patched in 1.20.3.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2024-45590 since 09/02/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 209173 (CBL Mariner 2.0 Security Update: python-tensorboard / reaper (CVE-2024-45590)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.20.3 eliminates this vulnerability. Applying the patch b2695c4450f06ba3b0ccf48d872a229bb41c9bce is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (209173) and CERT Bund (WID-SEC-2024-3534). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Red Hat Enterprise Linux
• Red Hat Trusted Profile Analyzer
• Atlassian Bitbucket

Productinfo

Vendor

• expressjs

Name

• body-parser

Version

• 1.20.0
• 1.20.1
• 1.20.2

License

• open-source

Website

• Product: https://github.com/expressjs/body-parser/

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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