Remote denial of service in http-proxy-middleware



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-21536
CWE-ID CWE-388
Exploitation vector Network
Public exploit N/A
Vulnerable software
 http-proxy-middleware
Web applications / JS libraries

Vendor Steven Chim

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper error handling

EUVDB-ID: #VU101027

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-2024-21536

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

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

The vulnerability exists due to an UnhandledPromiseRejection error thrown by micromatch. A remote non-authenticated attacker can send specially crafted request to the application and crash the Node.js process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

http-proxy-middleware: 2.0.0 - 3.0.2

CPE2.3 External links

https://security.snyk.io/vuln/SNYK-JS-HTTPPROXYMIDDLEWARE-8229906
https://gist.github.com/mhassan1/28be67266d82a53708ed59ce5dc3c94a
https://github.com/chimurai/http-proxy-middleware/commit/788b21e4aff38332d6319557d4a5b1b13b1f9a22
https://github.com/chimurai/http-proxy-middleware/commit/0b4274e8cc9e9a2c5a06f35fbf456ccfcebc55a5


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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