CVE-2023-4494 CRITICAL

CVE-2023-4494: Easy Chat Server Stack-based buffer overflow vulnerability

Vendor Efs Software
Product Easy Chat Server
Weakness CWE-119
Published October 4, 2023
Last update September 5, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Stack-based buffer overflow vulnerability in Easy Chat Server 3.1 version. An attacker could send an excessively long username string to the register.ghp file asking for the name via a GET request resulting in arbitrary code execution on the remote machine.

Key dates

02Disclosure timeline

October 4, 2023 CVE published
September 5, 2024 Record updated