CVE-2016-9219 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device. The vulnerability is due to incomplete IPv6 UDP header validation. An attacker could exploit this vulnerability by sending a crafted IPv6 UDP packet to a specific port on the targeted device. An exploit could allow the attacker to impact the availability of the device as it could unexpectedly reload. This vulnerability affects Cisco Wireless LAN Controller (WLC) running software version 8.2.121.0 or 8.3.102.0. Cisco Bug IDs: CSCva98592.

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	Wireless Lan Controller Firmware	8.2.121.0
Cisco	Wireless Lan Controller Software	8.3.102.0
Cisco	Wireless Lan Controller	-

Related Weaknesses (CWE)

CWE-20

References

http://www.securityfocus.com/bid/97423Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038183
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/97423Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038183
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2016-9219?

CVE-2016-9219 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device. The...

How severe is CVE-2016-9219?

CVE-2016-9219 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-2016-9219?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Wireless Lan Controller Firmware, Cisco Wireless Lan Controller Software, Cisco Wireless Lan Controller.