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CVE-2018-14855

6.3 · MEDIUM

Buffer overflow in dhd_bus_flow_ring_flush_response in drivers/net/wireless/bcmdhd4358/dhd_pcie.c in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 allow an attacker (who has obtained code ex…

Published Dec 17, 2018CWE-119EPSS 0.95%

Overview

CVE-2018-14855 is a medium-severity vulnerability. It was published on December 17, 2018 and has a CVSS 3.0 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Buffer overflow in dhd_bus_flow_ring_flush_response in drivers/net/wireless/bcmdhd4358/dhd_pcie.c in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/securesystemslab/periscope/blob/master/bugs-found/CVE-2018-14854_CVE-2018-14855_CVE-2018-14856.mdRefpeople.cs.kuleuven.be/~stijn.volckaert/papers/2019_NDSS_PeriScope.pdfGitHubgithub.com/securesystemslab/periscope/blob/master/bugs-found/CVE-2018-14854_CVE-2018-14855_CVE-2018-14856.md

How CyberStrike helps

Frequently asked questions

What is CVE-2018-14855?

CVE-2018-14855 is a medium-severity vulnerability. It was published on December 17, 2018 and has a CVSS 3.0 base score of 6.3 (MEDIUM).

How severe is CVE-2018-14855?

This vulnerability has a CVSS 3.0 base score of 6.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-14855?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-14855?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-14855 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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