NoMachine Free Edition Client/Enterprise Client up to 8.8.0 on macOS unix hard link

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in NoMachine Free Edition Client and Enterprise Client up to 8.8.0 on macOS. This issue affects some unknown processing. Performing a manipulation results in unix hard link. This vulnerability was named CVE-2023-39107. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in NoMachine Free Edition Client and Enterprise Client up to 8.8.0 on macOS. This affects an unknown code. The manipulation with an unknown input leads to a unix hard link vulnerability. CWE is classifying the issue as CWE-62. The product, when opening a file or directory, does not sufficiently account for when the name is associated with a hard link to a target that is outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. This is going to have an impact on integrity, and availability. The summary by CVE is:

An arbitrary file overwrite vulnerability in NoMachine Free Edition and Enterprise Client for macOS before v8.8.1 allows attackers to overwrite root-owned files by using hardlinks.

The weakness was presented 08/04/2023. It is possible to read the advisory at kb.nomachine.com. This vulnerability is uniquely identified as CVE-2023-39107 since 07/25/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 8.8.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-42853). 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: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Unix hard link
CWE: CWE-62 / CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Free Edition Client/Enterprise Client 8.8.1

Timelineinfo

07/25/2023 🔍
08/04/2023 +10 days 🔍
08/04/2023 +0 days 🔍
01/23/2026 +903 days 🔍

Sourcesinfo

Advisory: kb.nomachine.com
Status: Confirmed

CVE: CVE-2023-39107 (🔍)
GCVE (CVE): GCVE-0-2023-39107
GCVE (VulDB): GCVE-100-236163
EUVD: 🔍

Entryinfo

Created: 08/04/2023 21:31
Updated: 01/23/2026 11:54
Changes: 08/04/2023 21:31 (39), 08/26/2023 17:16 (11), 01/23/2026 11:54 (16)
Complete: 🔍
Cache ID: 216::103

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

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