Headline

CVE-2022-41708: relatedcode/Messenger 7bcd20b - Broken Access Control | Fluid Attacks

Relatedcode’s Messenger version 7bcd20b allows an authenticated external attacker to access existing chats in the workspaces of any user of the application. This is possible because the application does not validate permissions correctly.

2 years ago

CVE

Open in Source

#vulnerability #web #linux #git #auth

Summary

Name

relatedcode/Messenger 7bcd20b - Broken Access Control

Code name

Tiesto

Product

relatedcode/Messenger

Affected versions

Version 7bcd20b

State

Public

Release date

2022-10-14

Vulnerability

Kind

Improper authorization control for web services

Rule

039. Improper authorization control for web services

Remote

Yes

CVSSv3 Vector

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

CVSSv3 Base Score

6.5

Exploit available

Yes

CVE ID(s)

CVE-2022-41708

Description

Relatedcode/Messenger version 7bcd20b allows an authenticated external attacker to access existing chats in the workspaces of any user of the application. This is possible because the application does not validate permissions correctly.

Vulnerability

The application does not validate the application permissions correctly. Thanks to this we can access confidential information of any user registered on the server. Here we will see how an attacker manages to access the internal chats of the victim user:

Exploitation

To exploit this broken access control, one must first exploit another vulnerability present in the application. This vulnerability involves the disclosure of sensitive information.

Thanks to it I was able to gather the necessary data to be able to obtain the internal chat logs of other users of the application:

Impact

An authenticated remote attacker can access internal chat logs of arbitrary users of the application.

Our security police

We have reserved the CVE-2022-41708 to refer to this issue from now on.