Remote denial of service in Express.js body-parser



Published: 2024-09-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-45590
CWE-ID CWE-405
Exploitation vector Network
Public exploit N/A
Vulnerable software
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body-parser
Web applications / JS libraries

Vendor Express.js

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Asymmetric Resource Consumption (Amplification)

EUVDB-ID: #VU97208

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-45590

CWE-ID: CWE-405 - Asymmetric Resource Consumption (Amplification)

Exploit availability: No

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

External links

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


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.



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