Iocharger prior 24120701 file access

Summaryinfo

A vulnerability was found in Iocharger. It has been declared as problematic. The affected element is an unknown function. Such manipulation leads to file access. This vulnerability is uniquely identified as CVE-2024-43660. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Iocharger and classified as problematic. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a file access vulnerability. Using CWE to declare the problem leads to CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be. Impacted is confidentiality. CVE summarizes:

The CGI script .sh can be used to download any file on the filesystem. This issue affects Iocharger firmware for AC model chargers beforeversion 24120701. Likelihood: High, but credentials required. Impact: Critical – The script can be used to download any file on the filesystem, including sensitive files such as /etc/shadow, the CGI script source code or binaries and configuration files. CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/S:P/AU:Y CVSS clarification. The attack can be executed over any network connection the station is listening to and serves the web interface (AV:N), and there are no additional security measure sin place that need to be circumvented (AC:L), the attack does not rely on preconditions (AT:N). The attack does require authentication, but the level of authentication is irrelevant (PR:L), it does not require user interaction (UI:N). The confidentiality of all files of the devicd can be compromised (VC:H/VI:N/VA:N). There is no impact on subsequent systems. (SC:N/SI:N/SA:N). While this device is an EV charger handing significant amounts of power, this attack in isolation does not have a safety impact. The attack can be automated (AU:Y).

The weakness was disclosed by Wilco Van Beijnum, Harm van den Brink and Frank Breedijk as DIVD-2024-00035. The advisory is shared for download at csirt.divd.nl. This vulnerability is handled as CVE-2024-43660 since 08/14/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1083.

Upgrading to version 24120701 eliminates this vulnerability.

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Productinfo

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• Iocharger

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