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…

PriorityP424medium5.3CVSS 3.1

AVNACLPRNUINSUCNILAN

EPSS

1.35%

68.1th percentile

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.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	libhtp	< libhtp 1:0.5.31-1 (bookworm)	libhtp 1:0.5.31-1 (bookworm)
oisf	libhtp	< 0.5.31	0.5.31
oisf	libhtp	>= 0 < 1:0.5.31-1	1:0.5.31-1
oisf	libhtp	>= 0 < 1:0.5.31-1	1:0.5.31-1
oisf	libhtp	>= 0 < 1:0.5.31-1	1:0.5.31-1
oisf	libhtp	>= 0 < 1:0.5.31-1	1:0.5.31-1
suricata-ids	suricata	—	—

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

osv5.3MEDIUM

vendor_debian5.3MEDIUM

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