Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 bcmdhd4358 Wi-Fi Driver dhd_pcie.c dhd_bus_flow_ring_delete_response memory corruption

Summaryinfo

A vulnerability has been found in Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 and classified as critical. Affected by this issue is the function dhd_bus_flow_ring_delete_response of the file drivers/net/wireless/bcmdhd4358/dhd_pcie.c of the component bcmdhd4358 Wi-Fi Driver. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2018-14854. The attack must originate from the local network. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 (Smartphone Operating System). This affects the function dhd_bus_flow_ring_delete_response of the file drivers/net/wireless/bcmdhd4358/dhd_pcie.c of the component bcmdhd4358 Wi-Fi Driver. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in dhd_bus_flow_ring_delete_response in drivers/net/wireless/bcmdhd4358/dhd_pcie.c in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 allow an attacker (who has obtained code execution on the Wi-Fi chip) to cause the device driver to perform invalid memory accesses. The Samsung ID is SVE-2018-11785.

The bug was discovered 12/11/2018. The weakness was shared 12/17/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-14854 since 08/02/2018. The exploitability is told to be easy. The attack needs to be done within the local network. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-128020 and VDB-128021 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Samsung

Name

• Galaxy S6

Version

• SM-G920F G920FXXU5EQH7

License

• commercial

Website

• Vendor: https://www.samsung.com/

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CPE 2.2info

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