PT-2018-12767 · Broadcom · Bcmdhd4358 Wi-Fi Driver

Published 2018-12-17 · Updated 2019-01-08 · CVE-2018-14856

Positive Technologies (AI Summary)

CVSS v3.1

6.3

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions bcmdhd4358 Wi-Fi driver (affected versions not specified)

Description The issue is related to a buffer overflow in the dhd bus flow ring create response function in the dhd pcie.c file of the bcmdhd4358 Wi-Fi driver. This can allow an attacker who has obtained code execution on the Wi-Fi chip to cause the device driver to perform invalid memory accesses.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-14856

Affected Products

Bcmdhd4358 Wi-Fi Driver

References · 4

• 🔥 https://github.com/securesystemslab/periscope/blob/master/bugs-found/CVE-2018-14854_CVE-2018-14855_CVE-2018-14856.md · Exploit
• 🔥 https://people.cs.kuleuven.be/~stijn.volckaert/papers/2019_NDSS_PeriScope.pdf · Exploit
• https://osv.dev/vulnerability/CVE-2018-14856 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-14856 · Security Note