Samsung Exynos 1330 slsi_nan_config_get_nl_params heap-based overflow

Summaryinfo

A vulnerability has been found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330 and classified as critical. The affected element is the function slsi_nan_config_get_nl_params. Performing a manipulation results in heap-based overflow. This vulnerability is reported as CVE-2024-27373. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability was found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330. It has been classified as critical. This affects the function slsi_nan_config_get_nl_params. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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

It is possible to read the advisory at semiconductor.samsung.com. This vulnerability is uniquely identified as CVE-2024-27373 since 02/25/2024. The exploitability is told to be easy. Attacking locally is a requirement. Additional levels of successful authentication are required for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/26/2025).

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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