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Vulnerability of Cisco IOS XR: denial of service via UDP Broadcast Forwarding

Synthesis of the vulnerability 

An attacker can generate a fatal error via UDP Broadcast Forwarding of Cisco IOS XR, in order to trigger a denial of service.
Impacted software: IOS XR Cisco, Cisco Router.
Severity of this computer vulnerability: 2/4.
Creation date: 19/04/2018.
Références of this announce: CERTFR-2018-AVI-194, cisco-sa-20180418-iosxr, CSCvi35625, CVE-2018-0241, VIGILANCE-VUL-25924.

Description of the vulnerability 

An attacker can generate a fatal error via UDP Broadcast Forwarding of Cisco IOS XR, in order to trigger a denial of service.
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This computer vulnerability impacts software or systems such as IOS XR Cisco, Cisco Router.

Our Vigil@nce team determined that the severity of this weakness bulletin is medium.

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

An attacker with a expert ability can exploit this weakness.

Solutions for this threat 

Cisco IOS XR: solution CSCvi35625.
The solution is described on the Cisco site:
  https://tools.cisco.com/bugsearch/bug/CSCvi35625
  https://tools.cisco.com/quickview/bug/CSCvi35625
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