NoMachine Enterprise Desktop 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 categorized as critical has been discovered in NoMachine Enterprise Desktop up to 7.7.3. This affects an unknown part of the component IOCTL Handler. Such manipulation leads to buffer overflow. This vulnerability is documented as CVE-2021-42976. The attack needs to be performed locally. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in NoMachine Enterprise Desktop up to 7.7.3. Affected by this issue is an unknown functionality of the component IOCTL Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 12/08/2021. The advisory is available at sentinelone.com. This vulnerability is handled as CVE-2021-42976 since 10/25/2021. The technical details are unknown and an exploit is not available.

Upgrading to version 7.7.4 eliminates this vulnerability.

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

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 Desktop 7.7.4

Timelineinfo

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

Sourcesinfo

Advisory: sentinelone.com
Status: Confirmed

CVE: CVE-2021-42976 (🔍)
GCVE (CVE): GCVE-0-2021-42976
GCVE (VulDB): GCVE-100-187706

Entryinfo

Created: 12/08/2021 08:04
Updated: 12/10/2021 22:52
Changes: 12/08/2021 08:04 (39), 12/10/2021 22:43 (1), 12/10/2021 22:52 (18)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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