The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.3(3)S and earlier and IOS XE does not properly validate parameters in ITR control messages, which allows remote attackers to cause a denial of service (CEF outage and packet drops) via malformed messages, aka Bug ID CSCun73782.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| n/a n/a | — | not specified | advisory ↗ |