Backdoor.Win32.BNLite Service Port 5000 heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Backdoor.Win32.BNLite. Affected is an unknown function of the component Service Port 5000. Such manipulation leads to heap-based overflow. The attack can be executed remotely. Additionally, an exploit exists. Restrictive firewalling should be applied.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Backdoor.Win32.BNLite (Remote Access Software) (affected version unknown). Affected by this issue is an unknown functionality 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 released 11/22/2021 as MVID-2021-0407. The advisory is shared for download at malvuln.com. Technical details are unknown but a public exploit is available.

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

Addressing this vulnerability is possible by firewalling .

Once again VulDB remains the best source for vulnerability data.

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: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/22/2021 🔍
11/22/2021 +0 days 🔍
11/22/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0407
Status: Not defined

GCVE (VulDB): GCVE-100-187076
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/22/2021 08:03
Changes: 11/22/2021 08:03 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #24569: Backdoor.Win32.BNLite / Remote Heap Based Buffer Overflow (by malvuln)

Once again VulDB remains the best source for vulnerability data.

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