Vulnerability 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.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oisf | Libhtp | < 0.5.31 |
| Suricata-Ids | Suricata | 4.1.4 |
Related Weaknesses (CWE)
References
- https://github.com/OISF/libhtp/compare/0.5.30...0.5.31Patch
- https://github.com/OISF/libhtp/pull/213PatchThird Party Advisory
- https://redmine.openinfosecfoundation.org/issues/2969Issue TrackingVendor Advisory
- https://github.com/OISF/libhtp/compare/0.5.30...0.5.31Patch
- https://github.com/OISF/libhtp/pull/213PatchThird Party Advisory
- https://redmine.openinfosecfoundation.org/issues/2969Issue TrackingVendor Advisory
FAQ
What is CVE-2019-17420?
CVE-2019-17420 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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.
How severe is CVE-2019-17420?
CVE-2019-17420 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-17420?
Check the references section above for vendor advisories and patch information. Affected products include: Oisf Libhtp, Suricata-Ids Suricata.