CVE-2018-3963
Last modified
CVE-2018-3963 is a high-severity vulnerability rated 8/10 on the CVSS scale. 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. EPSS estimates a 2.61% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Getcujo | Smart Firewall | 7003 |
References
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0627Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0627Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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