NoMachine Enterprise Client up to 7.7.3 IOCTL buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in NoMachine Enterprise Client up to 7.7.3. The affected element is an unknown function of the component IOCTL Handler. The manipulation results in buffer overflow. This vulnerability is known as CVE-2021-42983. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in NoMachine Enterprise Client up to 7.7.3. It has been classified as critical. Affected is an unknown code block of the component IOCTL Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 12/08/2021. The advisory is available at sentinelone.com. This vulnerability is traded as CVE-2021-42983 since 10/25/2021. The technical details are unknown and an exploit is not available.

Upgrading to version 7.7.4 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise Client 7.7.4

Timelineinfo

10/25/2021 🔍
12/08/2021 +44 days 🔍
12/08/2021 +0 days 🔍
12/11/2021 +2 days 🔍

Sourcesinfo

Advisory: sentinelone.com
Status: Confirmed

CVE: CVE-2021-42983 (🔍)
GCVE (CVE): GCVE-0-2021-42983
GCVE (VulDB): GCVE-100-187710

Entryinfo

Created: 12/08/2021 08:07
Updated: 12/11/2021 00:23
Changes: 12/08/2021 08:07 (39), 12/11/2021 00:09 (1), 12/11/2021 00:23 (18)
Complete: 🔍
Cache ID: 216::103

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