TWiki 4.0, 4.0.1, and 20010901 through 20040904 allows remote authenticated users with edit rights to cause a denial of service (infinite recursion leading to CPU and memory consumption) via INCLUDE by URL statements that form a loop, such as a page that includes itself.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Twiki | Twiki | 4.0 (including) | 4.0 (including) |
| Twiki | Twiki | 4.0.1 (including) | 4.0.1 (including) |
| Twiki | Twiki | 2001-09-01 (including) | 2001-09-01 (including) |
| Twiki | Twiki | 2001-12-01 (including) | 2001-12-01 (including) |
| Twiki | Twiki | 2003-02-01 (including) | 2003-02-01 (including) |
| Twiki | Twiki | 2004-09-01 (including) | 2004-09-01 (including) |
| Twiki | Twiki | 2004-09-02 (including) | 2004-09-02 (including) |
| Twiki | Twiki | 2004-09-03 (including) | 2004-09-03 (including) |
| Twiki | Twiki | 2004-09-04 (including) | 2004-09-04 (including) |
| Twiki | Ubuntu | dapper | * |
| Twiki | Ubuntu | edgy | * |
| Twiki | Ubuntu | feisty | * |
| Twiki | Ubuntu | gutsy | * |
| Twiki | Ubuntu | hardy | * |
| Twiki | Ubuntu | intrepid | * |
| Twiki | Ubuntu | jaunty | * |
| Twiki | Ubuntu | karmic | * |