AnyDesk Link Following Information Disclosure Vulnerability. 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. Was ZDI-CAN-23940.
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.