CVE-2018-14568: Suricata before 4.0.5 stops TCP stream inspection upon a TCP RST from a server. This allows detection bypass because Windows TCP clients proceed with normal…

PriorityP340high7.5CVSS 3.0

AVNACLPRNUINSUCNIHAN

EPSS

2.00%

78.3th percentile

Suricata before 4.0.5 stops TCP stream inspection upon a TCP RST from a server. This allows detection bypass because Windows TCP clients proceed with normal processing of TCP data that arrives shortly after an RST (i.e., they act as if the RST had not yet been received).

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	suricata	< suricata 1:4.0.5-1 (bookworm)	suricata 1:4.0.5-1 (bookworm)
oisf	suricata	>= 0 < 1:4.0.5-1	1:4.0.5-1
oisf	suricata	>= 0 < 1:4.0.5-1	1:4.0.5-1
oisf	suricata	>= 0 < 1:4.0.5-1	1:4.0.5-1
oisf	suricata	>= 0 < 1:4.0.5-1	1:4.0.5-1
suricata-ids	suricata	< 4.0.5	4.0.5

CVSS provenance

nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

osv7.5HIGH

vendor_debian7.5HIGH

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