Vulnerability Details : 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.
Products affected by CVE-2019-17420
- cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:*
- cpe:2.3:a:suricata-ids:suricata:4.1.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-17420
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-17420
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2019-17420
-
The product does not properly "clean up" and remove temporary or supporting resources after they have been used.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-17420
-
https://redmine.openinfosecfoundation.org/issues/2969
Bug #2969: http_header signature do not alert on HTTP response with a single \r\n ending - Suricata - Open Information Security FoundationIssue Tracking;Vendor Advisory
-
https://github.com/OISF/libhtp/pull/213
Http close headers 2969 v1 by catenacyber · Pull Request #213 · OISF/libhtp · GitHubPatch;Third Party Advisory
-
https://github.com/OISF/libhtp/compare/0.5.30...0.5.31
Comparing 0.5.30...0.5.31 · OISF/libhtp · GitHubPatch
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