AnyDesk Link Following Information Disclosure Vulnerability

Vulnerability Details

This vulnerability allows local attackers to disclose sensitive information on affected installations of AnyDesk. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the handling of background images. By creating a junction, an attacker can abuse the service to read arbitrary files. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.

Additional Details

Fixed in AnyDesk version v9.0.1 available on:
https://anydesk.com/en/downloads/windows

Disclosure Timeline

• 2024-07-24 - Vulnerability reported to vendor
• 2024-12-19 - Coordinated public release of advisory
• 2024-12-19 - Advisory Updated

Credit

Naor Hodorov

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