The Packet Capture Service in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x does not properly handle idle TCP connections, which allows remote attackers to cause a denial of service (memory consumption and restart) by making many connections, aka Bug ID CSCtf97162.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Unified_communications_manager | Cisco | 4.1(3) (including) | 4.1(3) (including) |
| Unified_communications_manager | Cisco | 4.1(3)sr1 (including) | 4.1(3)sr1 (including) |
| Unified_communications_manager | Cisco | 4.1(3)sr2 (including) | 4.1(3)sr2 (including) |
| Unified_communications_manager | Cisco | 4.1(3)sr3 (including) | 4.1(3)sr3 (including) |
| Unified_communications_manager | Cisco | 4.1(3)sr4 (including) | 4.1(3)sr4 (including) |
| Unified_communications_manager | Cisco | 4.2 (including) | 4.2 (including) |
| Unified_communications_manager | Cisco | 4.2.1 (including) | 4.2.1 (including) |
| Unified_communications_manager | Cisco | 4.2.2 (including) | 4.2.2 (including) |
| Unified_communications_manager | Cisco | 4.2.3 (including) | 4.2.3 (including) |
| Unified_communications_manager | Cisco | 4.2.3sr1 (including) | 4.2.3sr1 (including) |
| Unified_communications_manager | Cisco | 4.2.3sr2 (including) | 4.2.3sr2 (including) |
| Unified_communications_manager | Cisco | 4.2.3sr2b (including) | 4.2.3sr2b (including) |
| Unified_communications_manager | Cisco | 4.3 (including) | 4.3 (including) |
| Unified_communications_manager | Cisco | 4.3(1) (including) | 4.3(1) (including) |