Vulnerability in Oisf Libhtp
CVE-2019-17420
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.
EPSS: 0.014 (68.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Oisf Libhtp
- Suricata-ids Suricata — versions 4.1.4
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)
- cve@mitre.org (Patch, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-17420?
- CVE-2019-17420 is a medium-severity vulnerability in Oisf Libhtp, classified under Incomplete Cleanup. CVSS score: 5.3/10. Published 2019-10-10.
- How severe is CVE-2019-17420?
- Medium severity. CVSS v3 base score is 5.3 out of 10.