NoMachine Enterprise Desktop up to 7.7.3 IOCTL integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in NoMachine Enterprise Desktop up to 7.7.3. This vulnerability affects unknown code of the component IOCTL Handler. Performing a manipulation results in integer overflow. This vulnerability is reported as CVE-2021-42977. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in NoMachine Enterprise Desktop up to 7.7.3. This affects some unknown functionality of the component IOCTL Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 12/08/2021. It is possible to read the advisory at sentinelone.com. This vulnerability is uniquely identified as CVE-2021-42977 since 10/25/2021. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 7.7.4 eliminates this vulnerability.

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

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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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-2021-42977 (🔍)
GCVE (CVE): GCVE-0-2021-42977
GCVE (VulDB): GCVE-100-187707

Entryinfo

Created: 12/08/2021 08:04
Updated: 12/10/2021 23:16
Changes: 12/08/2021 08:04 (39), 12/10/2021 23:07 (1), 12/10/2021 23:16 (18)
Complete: 🔍
Cache ID: 216::103

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