Summaryinfo

A vulnerability classified as critical was found in Huawei HarmonyOS. Affected by this vulnerability is an unknown functionality of the component NFC Module. The manipulation leads to buffer overflow. This vulnerability is known as CVE-2022-34740. There is no exploit available. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability classified as critical has been found in Huawei HarmonyOS (affected version unknown). Affected is an unknown functionality of the component NFC Module. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The NFC module has a buffer overflow vulnerability. Successful exploitation of this vulnerability may cause exceptions in NFC card registration, deletion, and activation.

The weakness was disclosed 07/12/2022. The advisory is shared for download at consumer.huawei.com. This vulnerability is traded as CVE-2022-34740 since 06/28/2022. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/22/2022).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Smartphone Operating System

Vendor

• Huawei

Name

• HarmonyOS

License

• commercial

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