Samsung Exynos 1330 slsi_nan_config_get_nl_params heap-based overflow

Summaryinfo

A vulnerability, which was classified as critical, was found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330. Impacted is the function slsi_nan_config_get_nl_params. Such manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2024-27372. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1380 and Exynos 1330 and classified as critical. Affected by this issue is the function slsi_nan_config_get_nl_params. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is 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_config_get_nl_params(), there is no input validation check on disc_attr->infrastructure_ssid_len coming from userspace, which can lead to a heap overwrite.

The advisory is available at semiconductor.samsung.com. This vulnerability is handled as CVE-2024-27372 since 02/25/2024. The exploitation is known to be easy. Local access is required to approach this attack. The exploitation needs additional levels of successful authentication. 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 08/15/2024).

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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