Vulnerability CVE-2019-1830


Published: 2019-04-17   Modified: 2019-04-18

Description:
A vulnerability in Locally Significant Certificate (LSC) management for the Cisco Wireless LAN Controller (WLC) could allow an authenticated, remote attacker to cause the device to unexpectedly restart, which causes a denial of service (DoS) condition. The attacker would need to have valid administrator credentials. The vulnerability is due to incorrect input validation of the HTTP URL used to establish a connection to the LSC Certificate Authority (CA). An attacker could exploit this vulnerability by authenticating to the targeted device and configuring a LSC certificate. An exploit could allow the attacker to cause a DoS condition due to an unexpected restart of the device.

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Cisco -> Wireless lan controller software 

 References:
http://www.securityfocus.com/bid/108028
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-wlc-cert-dos

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