Suricata before 4.0.4 is prone to an HTTP detection bypass vulnerability in detect.c and stream-tcp.c. If a malicious server breaks a normal TCP flow and sends data before the 3-way handshake is complete, then the data sent by the malicious server will be accepted by web clients such as a web browser or Linux CLI utilities, but ignored by Suricata IDS signatures. This mostly affects IDS signatures for the HTTP protocol and TCP stream content; signatures for TCP packets will inspect such network traffic as usual.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2018-02-07T05:00:00
Updated: 2024-08-05T06:10:11.364Z
Reserved: 2018-02-06T00:00:00
Link: CVE-2018-6794
Vulnrichment
No data.
NVD
Status : Analyzed
Published: 2018-02-07T05:29:00.260
Modified: 2019-03-01T23:33:08.113
Link: CVE-2018-6794
Redhat
No data.