Backdoor.Win32.Levelone.a HTTP TRACE Request dllvector.exe buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Backdoor.Win32.Levelone.a. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file C:\Windows\SysWOW64\dllvector.exe of the component HTTP TRACE Request Handler. Executing a manipulation can lead to buffer overflow. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Backdoor.Win32.Levelone.a (Remote Access Software) (version now known) and classified as critical. This vulnerability affects some unknown processing of the file C:\Windows\SysWOW64\dllvector.exe of the component HTTP TRACE Request Handler. 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 01/10/2021 as MVID-2021-0020. The advisory is available at malvuln.com. Technical details and also a public exploit are known.

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

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/10/2021 🔍
01/10/2021 +0 days 🔍
01/10/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0020
Status: Not defined

GCVE (VulDB): GCVE-100-167530
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/10/2021 10:17
Changes: 01/10/2021 10:17 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #5483: BACKDOOR.WIN32.LEVELONE.A / Remote Stack Buffer Overflow (by malvuln)

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

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