Easy Chat Server Security Vulnerabilities - November

CVE-2023-4491

Buffer overflow vulnerability in Easy Address Book Web Server 1.6 version. The exploitation of this vulnerability could allow an attacker to send a very long username string to /searchbook.ghp, asking for the name via a POST request, resulting in arbitrary code execution on the remote machine.

CVE-2023-4492

Vulnerability in Easy Address Book Web Server 1.6 version, affecting the parameters (firstname, homephone, lastname, middlename, workaddress, workcity, workcountry, workphone, workstate and workzip) of the /addrbook.ghp file, allowing an attacker to inject a JavaScript payload specially designed to...

CVE-2023-4493

Stored Cross-Site Scripting in Easy Address Book Web Server 1.6 version, through the users_admin.ghp file that affects multiple parameters such as (firstname, homephone, lastname, lastname, middlename, workaddress, workcity, workcountry, workphone, workstate, workzip). This vulnerability allows a r...

CVE-2023-4494

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.

CVE-2023-4495

Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability stored via /registresult.htm (POST method), in the Resume parameter. The XSS is loaded from /register.ghp.

CVE-2023-4496

Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability stored via /body2.ghp (POST method), in the mtowho parameter.

CVE-2023-4497

Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability stored via /registresult.htm (POST method), in the Icon parameter. The XSS is loaded from /users.ghp.

CVE-2024-0695

A vulnerability, which was classified as problematic, has been found in EFS Easy Chat Server 3.1. Affected by this issue is some unknown functionality of the component HTTP GET Request Handler. The manipulation of the argument USERNAME leads to denial of service. The attack may be launched remotely...