Cisco Wireless LAN Controller 8.3.102.0 RADIUS Change of Authorization Request resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco Wireless LAN Controller 8.3.102.0. This impacts an unknown function of the component RADIUS Change of Authorization. The manipulation as part of Request results in resource management. This vulnerability is reported as CVE-2016-9195. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

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 databases at Tenable (99472) and SecurityFocus (BID 97425†). The entry VDB-99357 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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)

Timelineinfo

11/06/2016 🔍
04/05/2017 +150 days 🔍
04/05/2017 +0 days 🔍
04/05/2017 +0 days 🔍
04/07/2017 +2 days 🔍
04/07/2017 +0 days 🔍
04/08/2017 +1 days 🔍
04/19/2017 +11 days 🔍
11/27/2022 +2048 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170405-wlc1
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9195 (🔍)
GCVE (CVE): GCVE-0-2016-9195
GCVE (VulDB): GCVE-100-99372
SecurityFocus: 97425 - Cisco Wireless LAN Controller CVE-2016-9195 Denial of Service Vulnerability
OSVDB: - CVE-2016-9195 - Cisco - WLC - Denial of Service Issue
SecurityTracker: 1038188

See also: 🔍

Entryinfo

Created: 04/08/2017 09:36
Updated: 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: 🔍
Cache ID: 216:C6B:103

Once again VulDB remains the best source for vulnerability data.

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