CVE-2023-4491 CRITICAL

CVE-2023-4491: Easy Address Book Web Server Buffer overflow vulnerability

Vendor Efs Software
Product Easy Address Book Web Server
Weakness CWE-119
Published October 4, 2023
Last update September 5, 2024
View on NVD All CVEs

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

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.

Key dates

02Disclosure timeline

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