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CVE-2016-5342

7.8 · HIGH

Heap-based buffer overflow in the wcnss_wlan_write function in drivers/net/wireless/wcnss/wcnss_wlan.c in the wcnss_wlan device driver for the Linux kernel 3.x, as used in Qualcomm Innovation Cente…

Published Aug 30, 2016CWE-787EPSS 0.51%

Overview

CVE-2016-5342 is a high-severity vulnerability. It was published on August 30, 2016 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Heap-based buffer overflow in the wcnss_wlan_write function in drivers/net/wireless/wcnss/wcnss_wlan.c in the wcnss_wlan device driver for the Linux kernel 3.x, as used in Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, allows attackers to cause a denial of service or possibly have unspecified other impact by writing to /dev/wcnss_wlan with an unexpected amount of data.

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

Refsource.android.com/security/bulletin/2016-10-01.htmlRefwww.securityfocus.com/bid/92693Refsource.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=579e796cb089324c55e0e689a180575ba81b23d9Refwww.codeaurora.org/buffer-overflow-vulnerability-wcnsswlanwrite-cve-2016-5342Refsource.android.com/security/bulletin/2016-10-01.htmlRefwww.securityfocus.com/bid/92693Refsource.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=579e796cb089324c55e0e689a180575ba81b23d9Refwww.codeaurora.org/buffer-overflow-vulnerability-wcnsswlanwrite-cve-2016-5342

How CyberStrike helps

Frequently asked questions

What is CVE-2016-5342?

CVE-2016-5342 is a high-severity vulnerability. It was published on August 30, 2016 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2016-5342?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-5342?

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-2016-5342?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-5342 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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