NoMachine up to 5.3.9 on Mac OS X access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in NoMachine up to 5.3.9 on Mac OS X. This vulnerability affects unknown code. The manipulation leads to access control. This vulnerability is documented as CVE-2017-12763. The attack can be initiated remotely. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in NoMachine up to 5.3.9 on Mac OS X. It has been rated as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An unspecified server utility in NoMachine before 5.3.10 on Mac OS X and Linux allows authenticated users to gain privileges by gaining access to local files.

The bug was discovered 08/11/2017. The weakness was released 08/29/2017 (Website). It is possible to read the advisory at nomachine.com. The identification of this vulnerability is CVE-2017-12763 since 08/09/2017. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation needs a simple authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 18 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.3.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42460). Entry connected to this vulnerability is available at VDB-108250. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NoMachine 5.3.10

Timelineinfo

08/09/2017 🔍
08/11/2017 +2 days 🔍
08/29/2017 +18 days 🔍
08/29/2017 +0 days 🔍
08/30/2017 +1 days 🔍
08/03/2025 +2894 days 🔍

Sourcesinfo

Advisory: nomachine.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-12763 (🔍)
GCVE (CVE): GCVE-0-2017-12763
GCVE (VulDB): GCVE-100-105911
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/30/2017 08:51
Updated: 08/03/2025 01:23
Changes: 08/30/2017 08:51 (53), 11/11/2019 15:42 (11), 08/03/2025 01:23 (18)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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