Huawei HarmonyOS up to 4.2.0 Cust path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in Huawei HarmonyOS up to 4.2.0. Impacted is an unknown function of the component Cust Module. Such manipulation leads to path traversal. This vulnerability is documented as CVE-2024-45443. The attack can be executed directly on the physical device. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Huawei HarmonyOS up to 4.2.0. Affected by this issue is some unknown functionality of the component Cust Module. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Directory traversal vulnerability in the cust module Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

The advisory is available at consumer.huawei.com. This vulnerability is handled as CVE-2024-45443 since 08/29/2024. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/07/2024). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Smartphone Operating System

Vendor

• Huawei

Name

• HarmonyOS

Version

• 2.0.0
• 2.1.0
• 3.0.0
• 3.1.0
• 4.0.0
• 4.2.0

License

• commercial

Website

• Vendor: https://www.huawei.com/

CPE 2.3info

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CPE 2.2info

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