Bug 2025040 (CVE-2021-37592) - CVE-2021-37592 suricata: TCP evasion via a client with a crafted TCP/IP stack
Summary: CVE-2021-37592 suricata: TCP evasion via a client with a crafted TCP/IP stack
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-37592
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2025041 2025042
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-11-19 18:36 UTC by Pedro Sampaio
Modified: 2021-11-19 18:49 UTC (History)
4 users (show)

Fixed In Version: suricata 5.0.8, suricata 6.0.4
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Clone Of:
Environment:
Last Closed: 2021-11-19 18:49:47 UTC

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Description Pedro Sampaio 2021-11-19 18:36:36 UTC 
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.

https://github.com/OISF/suricata/releases
https://forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942
https://redmine.openinfosecfoundation.org/issues/4569
Comment 1 Pedro Sampaio 2021-11-19 18:36:56 UTC 
Created suricata tracking bugs for this issue:

Affects: epel-all [bug 2025042]
Affects: fedora-all [bug 2025041]
Comment 2 Product Security DevOps Team 2021-11-19 18:49:45 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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