CVE-2017-9544
CRITICAL EPSS 97.6%
Published Jun 12, 20179y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Published Jun 12, 2017 9y ago
Last Modified Jun 17, 2026 2w ago
Description
There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long username string to registresult.htm for registering the user, an attacker may be able to execute arbitrary code.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
97.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| echatserver | easy_chat_server | * | ≥2.0 – ≤3.1 |
References 1
- exploit-db.com https://www.exploit-db.com/exploits/42155/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.