CVE-2018-3834
CVSS V2 High 7.8
CVSS V3 High 7.4
Description
An exploitable permanent denial of service vulnerability exists in Insteon Hub running firmware version 1013. The firmware upgrade functionality, triggered via PubNub, retrieves signed firmware binaries using plain HTTP requests. The device doesn't check the kind of firmware image that is going to be installed and thus allows for flashing any signed firmware into any MCU. Since the device contains different and incompatible MCUs, flashing one firmware to the wrong MCU will result in a permanent brick condition. To trigger this vulnerability, an attacker needs to impersonate the remote server "cache.insteon.com" and serve a signed firmware image.
Overview
- CVE ID
- CVE-2018-3834
- Assigner
- talos-cna@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2018-08-02T19:29:00
- Last Modified Date
- 2023-02-03T18:42:42
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:insteon:hub_firmware:1013:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:insteon:hub:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:C
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- COMPLETE
- Base Score
- 7.8
- Severity
- HIGH
- Exploitability Score
- 8.6
- Impact Score
- 7.8
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.4
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0513 | Exploit Technical Description Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-3834 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3834 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-20 17:01:34 | Added to TrackCVE | |||
| 2022-12-03 10:52:05 | 2018-08-02T19:29Z | 2018-08-02T19:29:00 | CVE Published Date | updated |
| 2022-12-03 10:52:05 | 2022-04-19T18:15:15 | CVE Modified Date | updated | |
| 2022-12-03 10:52:05 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-02-03 19:08:15 | 2023-02-03T18:42:42 | CVE Modified Date | updated | |
| 2023-02-03 19:08:15 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |