CVE-2018-25221

CRITICAL

9.8

Descricao

EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized username parameter. Attackers can send a GET request to chat.ghp with a malicious username value containing shellcode and ROP gadgets to achieve code execution in the application context.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/28/2026

Ultima modificacao4/2/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

echatserver:easy_chat_server

Fraquezas (CWE)

CWE-787

Referencias

https://www.exploit-db.com/exploits/44155(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/echat-server-buffer-overflow-via-chat-ghp-username-parameter(disclosure@vulncheck.com)

Correlacoes IOC

Sem correlacoes registradas

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