VDB-276769 · Submit #402081 · GCVE-100-276769

Backdoor.Win32.JustJoke.21 TCP Port 28072 improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Backdoor.Win32.JustJoke.21 and classified as critical. This impacts an unknown function of the component TCP Port 28072. This manipulation causes improper authentication. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability classified as critical was found in Backdoor.Win32.JustJoke.21 (the affected version unknown). Affected by this vulnerability is an unknown part of the component TCP Port 28072. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at malvuln.com. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at malvuln.com. It is declared as proof-of-concept.

Proper firewalling of is able to address this issue.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Remote Access Software

Name

Backdoor.Win32.JustJoke.21

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/06/2024 🔍
09/06/2024 +0 days 🔍
09/06/2024 +0 days 🔍

Sourcesinfo

Advisory: malvuln.com
Status: Not defined

CVE: Not possible due to CNA Operational Rules
GCVE (VulDB): GCVE-100-276769
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/06/2024 23:21
Changes: 09/06/2024 23:21 (54)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #402081: JustJoke.21 (BackDoor Pro - v2.0b4) Backdoor.Win32.JustJoke.21 (BackDoor Pro - v2.0b4) 4dc39c05bcc93e600dd8de16f2f7c599 Unauthenticated Remote Command Execution (by malvuln)