Samsung Exynos 1330 slsi_nan_followup_get_nl_params heap-based overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330. This issue affects the function slsi_nan_followup_get_nl_params. This manipulation causes heap-based overflow. This vulnerability is registered as CVE-2024-27371. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability has been found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330 and classified as critical. Affected by this vulnerability is the function slsi_nan_followup_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. 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_followup_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 at semiconductor.samsung.com. This vulnerability is known as CVE-2024-27371 since 02/25/2024. The exploitation appears to be easy. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/21/2024).

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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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