CVE-2018-14856: Buffer Overflow
First published: Mon Dec 17 2018(Updated: )
Buffer overflow in dhd_bus_flow_ring_create_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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Samsung Galaxy S6 Firmware | =g920fxxu5eqh7 | |
| Samsung Galaxy S6 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-14856?
CVE-2018-14856 is a buffer overflow vulnerability in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 SM-G920F.
How does CVE-2018-14856 impact the Samsung Galaxy S6 SM-G920F?
CVE-2018-14856 allows an attacker who has obtained code execution on the Wi-Fi chip to cause the device driver to perform invalid memory access, potentially leading to arbitrary code execution or a denial of service.
What is the severity of CVE-2018-14856?
CVE-2018-14856 has a severity rating of 6.3 (Medium).
How can I fix CVE-2018-14856?
To fix CVE-2018-14856, it is recommended to apply the latest firmware update provided by Samsung for the Galaxy S6 SM-G920F.
Where can I find more information about CVE-2018-14856?
You can find more information about CVE-2018-14856 at the following references: [Link 1](https://github.com/securesystemslab/periscope/blob/master/bugs-found/CVE-2018-14854_CVE-2018-14855_CVE-2018-14856.md), [Link 2](https://people.cs.kuleuven.be/~stijn.volckaert/papers/2019_NDSS_PeriScope.pdf).
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