CVE-2017-16254

An exploitable buffer overflow vulnerability exists in the PubNub message handler Insteon Hub 2245-222 - Firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer overflow overwriting arbitrary data. An attacker can send an authenticated HTTP request at 0x9d014e4c the value for the flg key is copied using strcpy to the buffer at $sp+0x270. This buffer is 16 bytes large, sending anything longer will cause a buffer overflow.

CVSS v3.1

8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS v3.0

8.5 HIGHCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0

5.5 MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:P

EPSS

1.22% chance of exploitation in the next 30 days, 67th percentile

Published

2019-03-21

Updated

2024-08-05

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2017-16253
• CVE-2017-16255
• CVE-2017-16252
• CVE-2017-16256
• CVE-2017-16251
• CVE-2017-16257