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CVE-2025-25200

HIGH

7.5

Descricao

Koa is expressive middleware for Node.js using ES2017 async functions. Prior to versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3, Koa uses an evil regex to parse the `X-Forwarded-Proto` and `X-Forwarded-Host` HTTP headers. This can be exploited to carry out a Denial-of-Service attack. Versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3 fix the issue.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado2/12/2025

Ultima modificacao1/20/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

koajs:koa

Fraquezas (CWE)

CWE-1333

Referencias

https://github.com/koajs/koa/blob/master/lib/request.js#L259(security-advisories@github.com)

https://github.com/koajs/koa/blob/master/lib/request.js#L404(security-advisories@github.com)

https://github.com/koajs/koa/commit/5054af6e31ffd451a4151a1fe144cef6e5d0d83c(security-advisories@github.com)

https://github.com/koajs/koa/commit/5f294bb1c7c8d9c61904378d250439a321bffd32(security-advisories@github.com)

https://github.com/koajs/koa/commit/93fe903fc966635a991bcf890cfc3427d33a1a08(security-advisories@github.com)

https://github.com/koajs/koa/releases/tag/2.15.4(security-advisories@github.com)

https://github.com/koajs/koa/security/advisories/GHSA-593f-38f6-jp5m(security-advisories@github.com)

Correlacoes IOC

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