#VU97208 Asymmetric Resource Consumption (Amplification) in body-parser - CVE-2024-45590

Vulnerability identifier: #VU97208

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-45590

CWE-ID: CWE-405

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
body-parser
Web applications / JS libraries

Vendor: Express.js

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of a large number of requests when url encoding is enabled. A remote attacker can send multiple requests to the server and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

body-parser: 1.0.0 - 1.20.2

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External links
https://github.com/expressjs/body-parser/security/advisories/GHSA-qwcr-r2fm-qrc7
https://github.com/expressjs/body-parser/commit/b2695c4450f06ba3b0ccf48d872a229bb41c9bce

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.