Description

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.

INFO

Published Date :

2026-03-28T11:58:13.951Z

Last Modified :

2026-03-28T11:58:13.951Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2018-25221 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2018-25221.

URL Resource
https://www.exploit-db.com/exploits/44155 cve-icon cve-icon
https://www.vulncheck.com/advisories/echat-server-buffer-overflow-via-chat-ghp-username-parameter cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact