What is CVE-2017-16340?

CVE-2017-16340 is a critical-severity vulnerability in Insteon Hub, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.9/10. Published 2018-08-02.

How severe is CVE-2017-16340?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Buffer overflow in Insteon Hub

CVE-2017-16340

An attacker could send an authenticated HTTP request to trigger this vulnerability in Insteon Hub running firmware version 1012. At 0x9d01c0e8 the value for the s_dport key is copied using strcpy to the buffer at 0xa000180c. This buffer is 6 bytes large, sending anything longer will cause a buffer overflow.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (68.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Insteon Hub
Insteon Hub_firmware — versions 1012
Insteon — versions Insteon Hub 2245-222 - Firmware version 1012

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-16340?: CVE-2017-16340 is a critical-severity vulnerability in Insteon Hub, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.9/10. Published 2018-08-02.
How severe is CVE-2017-16340?: Critical severity. CVSS v3 base score is 9.9 out of 10.