CVE-2018-1000155 — CRITICAL (9.8)

Vulnerability Description

OpenFlow version 1.0 onwards contains a Denial of Service and Improper authorization vulnerability in OpenFlow handshake: The DPID (DataPath IDentifier) in the features_reply message are inherently trusted by the controller. that can result in Denial of Service, Unauthorized Access, Network Instability. This attack appear to be exploitable via Network connectivity: the attacker must first establish a transport connection with the OpenFlow controller and then initiate the OpenFlow handshake.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Opennetworking	Openflow	-

Related Weaknesses (CWE)

CWE-863

References

http://users.sec.t-labs.tu-berlin.de/~hashkash/openflow/BrianOnosSecurityRequestMailing ListThird Party Advisory
http://users.sec.t-labs.tu-berlin.de/~hashkash/openflow/BrianOnosSecurityRequestMailing ListThird Party Advisory

FAQ

What is CVE-2018-1000155?

CVE-2018-1000155 is a vulnerability with a CVSS score of 9.8 (CRITICAL). OpenFlow version 1.0 onwards contains a Denial of Service and Improper authorization vulnerability in OpenFlow handshake: The DPID (DataPath IDentifier) in the features_reply message are inherently tr...

How severe is CVE-2018-1000155?

CVE-2018-1000155 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-1000155?

Check the references section above for vendor advisories and patch information. Affected products include: Opennetworking Openflow.