CVE-2019-17420 Security feature bypass in n/a
Attackers can bypass HTTP header signature alerts in Suricata by sending responses with single CRLF endings, evading detection.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-17420?
CVE-2019-17420 is a medium-severity vulnerability in n/a, published on 9 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.
Weakness: CWE-459
Which versions are affected by CVE-2019-17420?
It affects 2 products.
Products include Oisf Libhtp, Suricata-Ids Suricata.
How do I fix CVE-2019-17420?
Upgrade to a fixed version.
Is CVE-2019-17420 being exploited?
There is no known exploitation of CVE-2019-17420 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-17420, GHSA-9gx8-hhv8-hw56, UBUNTU-CVE-2019-17420.