Cisco IOS XR through 4.3.2 on Gigabit Switch Router (GSR) 12000 devices does not properly check for a Bidirectional Forwarding Detection (BFD) header in a UDP packet, which allows remote attackers to cause a denial of service (line-card restart) via a crafted packet, aka Bug ID CSCuw56900.
| Date Added | Due Date | Vulnerability Name | Required Action |
|---|---|---|---|
| N/A |
| Type | Version | Base score | Base severity | Vector |
|---|---|---|---|---|
| Primary | 3.0 | 5.3 | MEDIUM | CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Primary | 2.0 | 4.6 | MEDIUM | AV:A/AC:H/Au:N/C:N/I:N/A:C |
| Hyperlink | Source | Resource |
|---|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160311-gsr | psirt@cisco.com | Vendor Advisory |
| http://www.securitytracker.com/id/1035314 | psirt@cisco.com | N/A |
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160311-gsr | af854a3a-2127-422b-91ae-364da2661108 | Vendor Advisory |
| http://www.securitytracker.com/id/1035314 | af854a3a-2127-422b-91ae-364da2661108 | N/A |