A vulnerability was found in Huawei HarmonyOS and EMUI (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component App Multiplier Module. The manipulation with an unknown input leads to a permission vulnerability. The CWE definition for the vulnerability is CWE-275. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Access permission verification vulnerability in the App Multiplier module Impact: Successful exploitation of this vulnerability may affect service confidentiality.

It is possible to read the advisory at consumer.huawei.com. This vulnerability is known as CVE-2024-9136 since 09/24/2024. The exploitation appears to be easy. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/01/2024). The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

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

See VDB-278678, VDB-278679, VDB-278680 and VDB-278681 for similar entries.

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• Huawei

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• EMUI
• HarmonyOS

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• commercial

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