Backdoor:Win32.BNLite Service Port 5000 NBLF32.exe heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Backdoor:Win32.BNLite and classified as critical. This affects an unknown function of the file NBLF32.exe of the component Service Port 5000. The manipulation leads to heap-based overflow. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Backdoor:Win32.BNLite (Remote Access Software) (the affected version unknown). It has been rated as critical. This issue affects an unknown part of the file NBLF32.exe of the component Service Port 5000. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was shared 01/03/2021 as MVID-2021-0012. It is possible to read the advisory at malvuln.com. Technical details as well as a public exploit are known.

The exploit is available 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.6
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: Heap-based overflow
CWE: CWE-122 / 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

01/03/2021 🔍
01/03/2021 +0 days 🔍
01/03/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0012
Status: Not defined

GCVE (VulDB): GCVE-100-167219
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/03/2021 09:13
Changes: 01/03/2021 09:13 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #5036: BACKDOOR.WIN32.BNLITE / Remote Heap Corruption (by malvuln)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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