Vulnerability Monitor

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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.

Published

2021-11-19T15:15:08.137

Last Modified

2024-11-21T06:15:28.993

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	oisf	suricata	< 5.0.8	Yes
Application	oisf	suricata	< 6.0.4	Yes

References

https://forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942 Release Notes, Vendor Advisory ([email protected])
https://github.com/OISF/suricata/releases Release Notes, Third Party Advisory ([email protected])
https://redmine.openinfosecfoundation.org/issues/4569 Permissions Required, Third Party Advisory ([email protected])
https://forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OISF/suricata/releases Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://redmine.openinfosecfoundation.org/issues/4569 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)