The FWDOWNL firmware-download implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (traffic amplification) via an IAX2 FWDOWNL request.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| S800i_appliance | Asterisk | 1.0 (including) | 1.0 (including) |
| S800i_appliance | Asterisk | 1.0.1 (including) | 1.0.1 (including) |
| S800i_appliance | Asterisk | 1.0.2 (including) | 1.0.2 (including) |
| S800i_appliance | Asterisk | 1.0.3 (including) | 1.0.3 (including) |
| Asterisk | Ubuntu | dapper | * |
| Asterisk | Ubuntu | feisty | * |
| Asterisk | Ubuntu | gutsy | * |
| Asterisk | Ubuntu | hardy | * |
| Asterisk | Ubuntu | intrepid | * |
| Asterisk | Ubuntu | upstream | * |