Cisco Wireless LAN Controller 8.3.102.0 RADIUS Change of Authorization Request resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.2 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Cisco Wireless LAN Controller 8.3.102.0 (Wireless LAN Software). Affected is an unknown function of the component RADIUS Change of Authorization. The manipulation as part of a Request leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:
A vulnerability in RADIUS Change of Authorization (CoA) request processing in the Cisco Wireless LAN Controller (WLC) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition by disconnecting a single connection. This vulnerability affects Cisco Wireless LAN Controller running software release 8.3.102.0. More Information: CSCvb01835. Known Fixed Releases: 8.4(1.49) 8.3(111.0) 8.3(108.0) 8.3(104.24) 8.3(102.3).
The bug was discovered 04/05/2017. The weakness was disclosed 04/07/2017 with Cisco as cisco-sa-20170405-wlc1 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2016-9195 since 11/06/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 99472 (Cisco Wireless LAN Controller Multiple DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316338 (Cisco Wireless LAN Controller RADIUS Change of Authorization Denial of Service Vulnerability(cisco-sa-20170405-wlc1)).
Upgrading to version 8.4(1.49), 8.3(111.0), 8.3(108.0), 8.3(104.24) or 8.3(102.3) eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (99472). The entry 99357 is pretty similar.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
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CVSSv2
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Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 99472
Nessus Name: Cisco Wireless LAN Controller Multiple DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 803167
OpenVAS Name: Cisco Wireless LAN Controller RADIUS Change of Authorization Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Wireless LAN Controller 8.4(1.49)/8.3(111.0)/8.3(108.0)/8.3(104.24)/8.3(102.3)
Timeline
11/06/2016 🔍04/05/2017 🔍
04/05/2017 🔍
04/05/2017 🔍
04/07/2017 🔍
04/07/2017 🔍
04/08/2017 🔍
04/19/2017 🔍
11/27/2022 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20170405-wlc1
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-9195 (🔍)
SecurityTracker: 1038188
SecurityFocus: 97425 - Cisco Wireless LAN Controller CVE-2016-9195 Denial of Service Vulnerability
OSVDB: - CVE-2016-9195 - Cisco - WLC - Denial of Service Issue
See also: 🔍
Entry
Created: 04/08/2017 09:36Updated: 11/27/2022 09:41
Changes: 04/08/2017 09:36 (77), 08/26/2020 16:55 (7), 11/27/2022 09:41 (4)
Complete: 🔍
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