CVE-2021-37592: Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments.

PriorityP351critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.55%

72.0th percentile

Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	suricata	< suricata 1:6.0.4-1 (bookworm)	suricata 1:6.0.4-1 (bookworm)
oisf	suricata	< 5.0.8	5.0.8
oisf	suricata	>= 0 < 1:6.0.4-1	1:6.0.4-1
oisf	suricata	>= 0 < 1:6.0.4-1	1:6.0.4-1
oisf	suricata	>= 0 < 1:6.0.4-1	1:6.0.4-1
oisf	suricata	>= 6.0.0 < 6.0.4	6.0.4

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

osv9.8CRITICAL

vendor_debian9.8CRITICAL

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