CVE-2018-25221

EUVD-2018-21700
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
Affected Products (NVD)
VendorProductVersion
echatservereasy_chat_server
𝑥
≤ 3.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.exploit-db.com/exploits/44155
https://www.vulncheck.com/advisories/echat-server-buffer-overflow-via-chat-ghp-username-parameter