CVE-2023-1718

Description

Improper file stream access in /desktop_app/file.ajax.php?action=uploadfile in Bitrix24 22.0.300 allows unauthenticated remote attackers to cause denial-of-service via a crafted "tmp_url".

STAR Labs SG Pte. Ltd.

Severity: HIGH
CVE ID: CVE-2023-1718
CVSS Score: 7.5
CVSS Metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Refrence: NVDMITRE

Proof Of Concept

jhonnybonny

This Python script is designed to exploit a security vulnerability in Bitrix24, leading to a Denial of Service (DoS) attack. The vulnerability, identified as CVE-2023-1718, allows an attacker to disrupt the normal operation of a Bitrix24 instance.

Refrence: GitHub