CVE-2018-25221 Details
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.
A buffer overflow vulnerability has been identified in EChat Server version 3.1, specifically within the chat.ghp endpoint. This vulnerability allows remote attackers to execute arbitrary code by sending a GET request with an oversized username parameter. The malicious username can include shellcode and Return-Oriented Programming (ROP) gadgets, enabling code execution in the context of the application.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 30, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.exploit-db.com/exploits/44155 | [email protected] | Exploit |
| https://www.vulncheck.com/advisories/echat-server-buffer-overflow-via-chat-ghp-username-parameter | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| echatserver easy chat server | <= 3.1 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 2, 2026 | Initial Analysis | [email protected] |
| Mar 28, 2026 | New CVE Received | [email protected] |