github.comConfirmation
https://github.com/OISF/suricata/pull/3202/commits/e1ef57c848bbe4e567d5d4b66d346a742e3f77a1 CVE-2018-6794
MEDIUM
Suricata < 4.0.4 - IDS Detection Bypass
Record summary
CVE-2018-6794 has a selected CVSS score of 5.3 (medium); EIP currently links 1 catalogued exploit.
Description
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.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
Proofs of concept
1Catalogued exploits
ExploitDBSuricata < 4.0.4 - IDS Detection BypassExploitDB exploitby Positive TechnologiesNot analyzed1 file
References
6[debian-lts-announce] 20181204 [SECURITY] [DLA 1603-1] suricata security updatemailing list
https://lists.debian.org/debian-lts-announce/2018/12/msg00000.html nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2018-6794 redmine.openinfosecfoundation.orgConfirmation
https://redmine.openinfosecfoundation.org/issues/2427 suricata-ids.orgConfirmation
https://suricata-ids.org/2018/02/14/suricata-4-0-4-available 44247exploit
https://www.exploit-db.com/exploits/44247