VDB-177250 · MVID-2021-0255 · GCVE-100-177250

Backdoor.Win32.Hupigon.aaio Service Port 8202 buffer overflow

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Backdoor.Win32.Hupigon.aaio. The impacted element is an unknown function of the component Service Port 8202. Executing a manipulation can lead to buffer overflow. It is possible to launch the attack remotely. Furthermore, an exploit is available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability has been found in Backdoor.Win32.Hupigon.aaio (Remote Access Software) (the affected version unknown) and classified as critical. This vulnerability affects an unknown part of the component Service Port 8202. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 06/20/2021 as MVID-2021-0255. The advisory is available at malvuln.com. 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Remote Access Software

Name

Backdoor.Win32.Hupigon.aaio

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.3
VulDB Temp Score: 6.7
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: Buffer overflow
CWE: CWE-120 / CWE-119
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

06/20/2021 🔍
06/20/2021 +0 days 🔍
06/20/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0255
Status: Confirmed

GCVE (VulDB): GCVE-100-177250
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/20/2021 08:10
Changes: 06/20/2021 08:10 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #15074: Backdoor.Win32.Hupigon.aaio / Remote Stack Buffer Overflow (by malvuln)