CVE-2018-4030 Security feature bypass in CUJO
Attackers can bypass the firewall's safe browsing protection by manipulating HTTP Host headers, allowing access to malicious websites.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-4030?
CVE-2018-4030 is a medium-severity vulnerability in CUJO, published on 21 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-444
Which versions are affected by CVE-2018-4030?
It affects 1 product.
Products include Getcujo Smart Firewall.
How do I fix CVE-2018-4030?
No fix has been published for CVE-2018-4030 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-4030 being exploited?
There is no known exploitation of CVE-2018-4030 in the wild and no public exploit code.
Other vulnerabilities in CUJO
Sources
Also known as GHSA-547r-pc3f-h39w.