Description
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.
References
- M-018 third-party-advisory government-resource
- 20011114 Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router vendor-advisory
- 1986 vdb-entry
- cisco-acl-deny-ip(7553) vdb-entry
- 3536 vdb-entry