CVE-2018-4030

Public Exploit

Description

An exploitable vulnerability exists the safe browsing function of the CUJO Smart Firewall, version 7003. The bug lies in the way the safe browsing function parses HTTP requests. The "Host" header is incorrectly extracted from captured HTTP requests, which would allow an attacker to visit any malicious websites and bypass the firewall. An attacker could send an HTTP request to exploit this vulnerability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory talosintelligence.com
Affected: n/a CUJO
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2018-4030?
CVE-2018-4030 has been scored as a high severity vulnerability.
How to fix CVE-2018-4030?
To fix CVE-2018-4030, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-4030 being actively exploited in the wild?
It is possible that CVE-2018-4030 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-4030?
CVE-2018-4030 affects n/a CUJO.
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