CVE-2018-25221 (GCVE-0-2018-25221)
Vulnerability from cvelistv5 – Published: 2026-03-28 11:58 – Updated: 2026-10-01 15:19
VLAI
EPSS
VEX
Title
EChat Server 3.1 Buffer Overflow via chat.ghp username Parameter
Summary
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.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-30 15:52 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/44155 | exploit |
| https://www.vulncheck.com/advisories/echat-server… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Echatserver | EChat Server |
Affected:
3.1
cpe:2.3:a:echatserver:easy_chat_server:3.1:*:*:*:*:*:*:* |
Date Public
2018-02-21 00:00
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