Samsung Exynos 1330 slsi_send_action_frame_cert heap-based overflow

Summaryinfo

A vulnerability labeled as critical has been found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330. This affects the function slsi_send_action_frame_cert. Executing a manipulation can lead to heap-based overflow. The identification of this vulnerability is CVE-2024-27378. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330 and classified as critical. This vulnerability affects the function slsi_send_action_frame_cert. 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_send_action_frame_cert(), there is no input validation check on len coming from userspace, which can lead to a heap over-read.

The advisory is available at semiconductor.samsung.com. This vulnerability was named CVE-2024-27378 since 02/25/2024. The exploitation appears to be easy. Local access is required to approach this attack. Additional levels of successful authentication are needed for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (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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