7.5

CVE-2021-45098

Exploit
An issue was discovered in Suricata before 6.0.4. It is possible to bypass/evade any HTTP-based signature by faking an RST TCP packet with random TCP options of the md5header from the client side. After the three-way handshake, it's possible to inject an RST ACK with a random TCP md5header option. Then, the client can send an HTTP GET request with a forbidden URL. The server will ignore the RST ACK and send the response HTTP packet for the client's request. These packets will not trigger a Suricata reject action.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Oisf ≫ Suricata Version < 6.0.4
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Debian ≫ Debian Linux Version11.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.82% 0.76
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://github.com/OISF/suricata/releases
Third Party Advisory
Release Notes
https://forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942
Vendor Advisory
Release Notes
https://github.com/OISF/suricata/commit/50e2b973eeec7172991bf8f544ab06fb782b97df
Patch
Third Party Advisory
https://redmine.openinfosecfoundation.org/issues/4710
Patch
Vendor Advisory
Exploit
Issue Tracking
https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html