Backdoor.Win32.Mellpon.b C.html information disclosure

HistoryDiffrelatejsonxmlCTI

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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Backdoor.Win32.Mellpon.b. Affected by this issue is some unknown functionality of the file C.html. This manipulation causes information disclosure. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability classified as problematic was found in Backdoor.Win32.Mellpon.b (Remote Access Software) (affected version unknown). Affected by this vulnerability is an unknown functionality of the file C.html. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was disclosed 12/17/2021. The advisory is shared at malvuln.com. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1592 for this issue.

It is possible to download the exploit at malvuln.com. It is declared as proof-of-concept. By approaching the search of inurl:C.html it is possible to find vulnerable targets with Google Hacking.

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.Mellpon.b

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍
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

12/17/2021 🔍
12/17/2021 +0 days 🔍
12/17/2021 +0 days 🔍

Sourcesinfo

Advisory: malvuln.com
Status: Not defined

GCVE (VulDB): GCVE-100-188497
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/17/2021 08:05
Changes: 12/17/2021 08:05 (38)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #26113: Backdoor.Win32.Mellpon.b / Remote Unauthenticated Information Disclosure (by malvuln)