Description
Cisco IOS 11.1CC through 12.2 with Cisco Express Forwarding (CEF) enabled includes portions of previous packets in the padding of a MAC level packet when the MAC packet's length is less than the IP level packet length.
References
- 20020227 Cisco Security Advisory: Data Leak with Cisco Express Forwarding vendor-advisory
- 4191 vdb-entry
- ios-cef-information-leak(8296) vdb-entry
- 806 vdb-entry
- VU#310387 third-party-advisory