Backdoor.Win32.Kurbadur.a Service Port 21220 dataexchange.dll stack-based overflow

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CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability has been found in Backdoor.Win32.Kurbadur.a (Remote Access Software) (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code in the library dataexchange.dll of the component Service Port 21220. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-121. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 01/13/2021 as MVID-2021-2023. The advisory is available at malvuln.com. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is needed for exploitation. Technical details and also a public exploit are known.

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

Productinfoedit

Type

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-121
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

01/13/2021 Advisory disclosed
01/13/2021 +0 days VulDB entry created
01/13/2021 +0 days VulDB last update

Sourcesinfoedit

Advisory: MVID-2021-2023
Status: Confirmed
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfoedit

Created: 01/13/2021 10:56 AM
Changes: (39) software_name software_component software_library vulnerability_cwe vulnerability_risk vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a vulnerability_cvss3_vuldb_rl vulnerability_cvss3_vuldb_rc advisory_identifier advisory_url exploit_availability exploit_publicity exploit_url advisory_date software_type vulnerability_cvss2_vuldb_av vulnerability_cvss2_vuldb_ac vulnerability_cvss2_vuldb_ci vulnerability_cvss2_vuldb_ii vulnerability_cvss2_vuldb_ai vulnerability_cvss2_vuldb_rc vulnerability_cvss2_vuldb_rl vulnerability_cvss2_vuldb_au vulnerability_cvss2_vuldb_e vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_e vulnerability_cvss2_vuldb_basescore vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_basescore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore exploit_price_0day
Complete: 🔍
Submitter: malvuln

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