Samsung Exynos 1330 slsi_nan_publish_get_nl_params heap-based overflow

Summaryinfo

A vulnerability was found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330 and classified as critical. The impacted element is the function slsi_nan_publish_get_nl_params. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2024-27374. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330. It has been declared as critical. This vulnerability affects the function slsi_nan_publish_get_nl_params. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Samsung Mobile Processor Exynos 980, Exynos 850, Exynos 1280, Exynos 1380, and Exynos 1330. In the function slsi_nan_publish_get_nl_params(), there is no input validation check on hal_req->service_specific_info_len coming from userspace, which can lead to a heap overwrite.

The advisory is shared for download at semiconductor.samsung.com. This vulnerability was named CVE-2024-27374 since 02/25/2024. The exploitation appears to be easy. The attack needs to be approached locally. Additional levels of successful authentication are necessary for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/06/2024).

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

Vendor

• Samsung

Name

• Exynos 850
• Exynos 980
• Exynos 1280
• Exynos 1330
• Exynos 1380

License

• commercial

Website

• Vendor: https://www.samsung.com/

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