What is the severity of CVE-2017-16256?

CVE-2017-16256 is considered critical due to the potential for remote attackers to exploit buffer overflows and execute arbitrary code.

How do I fix CVE-2017-16256?

To fix CVE-2017-16256, update the Insteon Hub firmware to a patched version that resolves the buffer overflow vulnerabilities.

What systems are affected by CVE-2017-16256?

CVE-2017-16256 affects the Insteon Hub running firmware version 1012.

What types of attacks can exploit CVE-2017-16256?

CVE-2017-16256 can be exploited through specially crafted commands sent via the PubNub service, resulting in stack-based buffer overflows.

Is there a workaround for CVE-2017-16256?

Disabling the PubNub service or restricting access may serve as a temporary workaround for CVE-2017-16256 until the firmware is updated.

Vulnerability/
CVE-2017-16256

critical

9.9

CWE

787 121 119

11/1/2023

9/4/2025

CVE-2017-16256: Buffer Overflow

First published: Wed Jan 11 2023(Updated: )

Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer overflow overwriting arbitrary data. An attacker should send an authenticated HTTP request to trigger this vulnerability. In cmd sn_sx, at 0x9d014ebc, the value for the `cmd2` key is copied using `strcpy` to the buffer at `$sp+0x2d0`.This buffer is 100 bytes large, sending anything longer will cause a buffer overflow.

Credit: talos-cna@cisco.com

Affected Software	Affected Version	How to fix
Insteon Hub	=1012
Insteon Hub

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Reference Links

https://talosintelligence.com/vulnerability_reports/TALOS-2017-0483

Frequently Asked Questions

What is the severity of CVE-2017-16256?
CVE-2017-16256 is considered critical due to the potential for remote attackers to exploit buffer overflows and execute arbitrary code.
How do I fix CVE-2017-16256?
To fix CVE-2017-16256, update the Insteon Hub firmware to a patched version that resolves the buffer overflow vulnerabilities.
What systems are affected by CVE-2017-16256?
CVE-2017-16256 affects the Insteon Hub running firmware version 1012.
What types of attacks can exploit CVE-2017-16256?
CVE-2017-16256 can be exploited through specially crafted commands sent via the PubNub service, resulting in stack-based buffer overflows.
Is there a workaround for CVE-2017-16256?
Disabling the PubNub service or restricting access may serve as a temporary workaround for CVE-2017-16256 until the firmware is updated.

agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/references
agent/last-modified-date
agent/weakness
agent/author
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
agent/softwarecombine
collector/nvd-index
agent/software-canonical-lookup-request
vendor/insteon
canonical/insteon hub
version/insteon hub/1012

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