CVE-2021-37592 : Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with

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 2021-11-19 15:15:08

Updated 2021-11-23 17:56:16

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory CorruptionBypass

Products affected by CVE-2021-37592

Oisf » Suricata
Versions before (<) 5.0.8
cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*
Matching versions
Oisf » Suricata
Versions from including (>=) 6.0.0 and before (<) 6.0.4
cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.19%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 37 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942

Suricata 6.0.4 and 5.0.8 released - Announcements - Suricata
Release Notes;Vendor Advisory

CVEs referencing this url
https://github.com/OISF/suricata/releases

Releases · OISF/suricata · GitHub
Release Notes;Third Party Advisory

CVEs referencing this url
https://redmine.openinfosecfoundation.org/issues/4569

Open Information Security Foundation
Permissions Required;Third Party Advisory

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