Backdoor.Win32.Hupigon.afjk Web Server path traversal

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 (≈)
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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.
5.6$0-$5k1.28

Summaryinfo

A vulnerability identified as critical has been detected in Backdoor.Win32.Hupigon.afjk. Impacted is an unknown function of the component Web Server. The manipulation leads to path traversal. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Backdoor.Win32.Hupigon.afjk (Remote Access Software) (affected version not known) and classified as critical. This issue affects some unknown functionality of the component Web Server. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. Impacted is confidentiality, integrity, and availability.

The weakness was presented 09/27/2021 as MVID-2021-0351. The advisory is shared at malvuln.com. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is available at malvuln.com. It is declared as proof-of-concept.

Addressing this vulnerability is possible by firewalling .

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

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-23 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/27/2021 🔍
09/27/2021 +0 days 🔍
09/27/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0351
Status: Not defined

GCVE (VulDB): GCVE-100-183353
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/27/2021 07:38
Changes: 09/27/2021 07:38 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #21262: Backdoor.Win32.Hupigon.afjk / Directory Traversal (by malvuln)

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

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