CVE-2017-6633 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

A vulnerability in the TCP throttling process of Cisco UCS C-Series Rack Servers 3.0(0.234) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient rate-limiting protection. An attacker could exploit this vulnerability by sending a high rate of TCP SYN packets to a specific TCP listening port on an affected device. An exploit could allow the attacker to cause a specific TCP listening port to stop accepting new connections, resulting in a DoS condition. Cisco Bug IDs: CSCva65544.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Unified Computing System	3.0\(0.234\)
Cisco	Ucs C220 M4 Rack Server	-
Cisco	Ucs C240 M4 Rack Server	-
Cisco	Ucs C3160 Rack Server	-
Cisco	Ucs C460 M4 Rack Server	-

Related Weaknesses (CWE)

CWE-119

References

http://www.securityfocus.com/bid/98525Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038513
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/98525Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038513
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2017-6633?

CVE-2017-6633 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in the TCP throttling process of Cisco UCS C-Series Rack Servers 3.0(0.234) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected ...

How severe is CVE-2017-6633?

CVE-2017-6633 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-6633?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Unified Computing System, Cisco Ucs C220 M4 Rack Server, Cisco Ucs C240 M4 Rack Server, Cisco Ucs C3160 Rack Server, Cisco Ucs C460 M4 Rack Server.