CRITICAL🇵🇱 Wersja polska

CVE-2018-25221

CVSS 9.3v4.0pub. 2026-03-28upd. 2026-04-02

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.

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  • Echatserver Easy Chat Server

    APP
    Echatserver
    ≤ 3.1
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
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RCEMemory
CWE
References

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