CVE-2015-6432 Information

Description

Cisco IOS XR 4.2.0 4.3.0 5.0.0 5.1.0 5.2.0 5.2.2 5.2.4 5.3.0 and 5.3.2 does not properly restrict the number of Path Computation Elements (PCEs) for OSPF LSA opaque area updates which allows remote attackers to cause a denial of service (device reload) via a crafted update aka Bug ID CSCuw83486.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160104-iosxr http://www.securitytracker.com/id/1034570

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5