Tunnelblick up to 6.x Uninstall Tunnelblick.app cleanup

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Tunnelblick up to 6.x. The affected element is an unknown function of the file Tunnelblick.app of the component Uninstall. Executing a manipulation can lead to cleanup. This vulnerability is registered as CVE-2025-43711. The attack needs to be launched locally. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Tunnelblick up to 6.x. It has been declared as critical. This vulnerability affects an unknown functionality of the file Tunnelblick.app of the component Uninstall. The manipulation with an unknown input leads to a cleanup vulnerability. The CWE definition for the vulnerability is CWE-459. The product does not properly "clean up" and remove temporary or supporting resources after they have been used. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Tunnelblick 3.5beta06 before 7.0, when incompletely uninstalled, allows attackers to execute arbitrary code as root (upon the next boot) by dragging a crafted Tunnelblick.app file into /Applications.

The advisory is shared for download at tunnelblick.net. This vulnerability was named CVE-2025-43711 since 04/17/2025. The exploitation appears to be difficult. The attack needs to be approached locally. There are known technical details, but no exploit is available.

Upgrading to version 7.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-20098). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (MITRE): 🔒

CVSSv2info

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

Exploitinginfo

Class: Cleanup
CWE: CWE-459
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: Tunnelblick 7.0

Timelineinfo

04/17/2025 CVE reserved
07/05/2025 +79 days Advisory disclosed
07/05/2025 +0 days VulDB entry created
07/05/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: tunnelblick.net
Status: Confirmed

CVE: CVE-2025-43711 (🔒)
GCVE (CVE): GCVE-0-2025-43711
GCVE (VulDB): GCVE-100-314980
EUVD: 🔒

Entryinfo

Created: 07/05/2025 07:35
Updated: 07/05/2025 07:46
Changes: 07/05/2025 07:35 (63), 07/05/2025 07:46 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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