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Vulnerability of Cisco Wireless LAN Controller: denial of service via HTTP Parsing Engine

Synthesis of the vulnerability 

An attacker can trigger a fatal error via HTTP Parsing Engine of Cisco Wireless LAN Controller, in order to trigger a denial of service.
Vulnerable systems: Cisco Wireless Controller.
Severity of this threat: 2/4.
Creation date: 07/11/2019.
Références of this weakness: CERTFR-2019-AVI-548, cisco-sa-20191106-wlc-dos, CSCvp92098, CVE-2019-15276, VIGILANCE-VUL-30806.

Description of the vulnerability 

An attacker can trigger a fatal error via HTTP Parsing Engine of Cisco Wireless LAN Controller, in order to trigger a denial of service.
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This weakness note impacts software or systems such as Cisco Wireless Controller.

Our Vigil@nce team determined that the severity of this threat note is medium.

The trust level is of type confirmed by the editor, with an origin of user account.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this computer weakness.

Solutions for this threat 

Cisco Wireless LAN Controller: solution CSCvp92098.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvp92098
  https://tools.cisco.com/bugsearch/bug/CSCvp92098
  https://tools.cisco.com/quickview/bug/CSCvp92098
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