CVE-2018-3963
CVSS V2 High 7.7
CVSS V3 Critical 9
Description
An exploitable command injection vulnerability exists in the DHCP daemon configuration of the CUJO Smart Firewall. When adding a new static DHCP address, its corresponding hostname is inserted into the dhcpd.conf file without prior sanitization, allowing for arbitrary execution of system commands. To trigger this vulnerability, an attacker can send a DHCP request message and set up the corresponding static DHCP entry.
Overview
- CVE ID
- CVE-2018-3963
- Assigner
- talos-cna@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-03-21T16:29:01
- Last Modified Date
- 2023-02-02T13:58:41
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:getcujo:smart_firewall:7003:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:L/Au:S/C:C/I:C/A:C
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.7
- Severity
- HIGH
- Exploitability Score
- 5.1
- Impact Score
- 10
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9
- Base Severity
- CRITICAL
- Exploitability Score
- 2.3
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0627 | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-3963 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3963 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-20 17:01:23 | Added to TrackCVE | |||
| 2022-12-03 18:29:59 | 2019-03-21T16:29Z | 2019-03-21T16:29:01 | CVE Published Date | updated |
| 2022-12-03 18:29:59 | 2022-04-19T18:15:29 | CVE Modified Date | updated | |
| 2022-12-03 18:30:00 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-02-02 15:08:24 | 2023-02-02T13:58:41 | CVE Modified Date | updated | |
| 2023-02-02 15:08:24 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |
| 2023-02-02 15:08:24 | Weakness Enumeration | update | ||
| 2023-02-02 15:08:24 | AV:A/AC:L/Au:N/C:C/I:C/A:C | AV:A/AC:L/Au:S/C:C/I:C/A:C | CVSS V2 vector_string | updated |
| 2023-02-02 15:08:25 | NONE | SINGLE | CVSS V2 authentication | updated |
| 2023-02-02 15:08:25 | 8.3 | 7.7 | CVSS V2 baseScore | updated |
| 2023-02-02 15:08:25 | 6.5 | 5.1 | CVSS V2 exploitabilityScore | updated |