The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character representations of the same signature data, but relies on a hash of this signature, which allows remote attackers to cause a denial of service (resource consumption) via a valid modified signature for a circulating alert.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Bitcoin-qt | Bitcoin | 0.6.3 (including) | 0.6.3 (including) |
| Bitcoin_core | Bitcoin | 0.3.4 (including) | 0.3.4 (including) |
| Bitcoin_core | Bitcoin | 0.3.5 (including) | 0.3.5 (including) |
| Bitcoin_core | Bitcoin | 0.3.8 (including) | 0.3.8 (including) |
| Bitcoin_core | Bitcoin | 0.3.10 (including) | 0.3.10 (including) |
| Bitcoin_core | Bitcoin | 0.3.11 (including) | 0.3.11 (including) |
| Bitcoin_core | Bitcoin | 0.3.12 (including) | 0.3.12 (including) |
| Bitcoin_core | Bitcoin | 0.4.0 (including) | 0.4.0 (including) |
| Bitcoin_core | Bitcoin | 0.4.1 (including) | 0.4.1 (including) |
| Bitcoin_core | Bitcoin | 0.4.1-rc6 (including) | 0.4.1-rc6 (including) |
| Bitcoin_core | Bitcoin | 0.4.2 (including) | 0.4.2 (including) |
| Bitcoin_core | Bitcoin | 0.4.3 (including) | 0.4.3 (including) |
| Bitcoin_core | Bitcoin | 0.4.4 (including) | 0.4.4 (including) |
| Bitcoin_core | Bitcoin | 0.4.4-rc2 (including) | 0.4.4-rc2 (including) |
| Bitcoin_core | Bitcoin | 0.4.5 (including) | 0.4.5 (including) |
| Bitcoin_core | Bitcoin | 0.4.6 (including) | 0.4.6 (including) |
| Bitcoin_core | Bitcoin | 0.4.7-rc2 (including) | 0.4.7-rc2 (including) |
| Bitcoin_core | Bitcoin | 0.5.0-rc (including) | 0.5.0-rc (including) |
| Bitcoin_core | Bitcoin | 0.5.3 (including) | 0.5.3 (including) |
| Bitcoin_core | Bitcoin | 0.5.3.1 (including) | 0.5.3.1 (including) |
| Bitcoin_core | Bitcoin | 0.5.4 (including) | 0.5.4 (including) |
| Bitcoin_core | Bitcoin | 0.5.5 (including) | 0.5.5 (including) |
| Bitcoin_core | Bitcoin | 0.5.6-rc2 (including) | 0.5.6-rc2 (including) |
| Bitcoin_core | Bitcoin | 0.6.0.1 (including) | 0.6.0.1 (including) |
| Bitcoin_core | Bitcoin | 0.6.0.2 (including) | 0.6.0.2 (including) |
| Bitcoin_core | Bitcoin | 0.6.0.3 (including) | 0.6.0.3 (including) |
| Bitcoin_core | Bitcoin | 0.6.0.4 (including) | 0.6.0.4 (including) |
| Bitcoin_core | Bitcoin | 0.6.0.5 (including) | 0.6.0.5 (including) |
| Bitcoin_core | Bitcoin | 0.6.0.6 (including) | 0.6.0.6 (including) |
| Bitcoin_core | Bitcoin | 0.6.0.7 (including) | 0.6.0.7 (including) |
| Bitcoin_core | Bitcoin | 0.6.0.8 (including) | 0.6.0.8 (including) |
| Bitcoin_core | Bitcoin | 0.6.1 (including) | 0.6.1 (including) |
| Bitcoin_core | Bitcoin | 0.6.2 (including) | 0.6.2 (including) |
| Bitcoind | Bitcoin | 0.6.3 (including) | 0.6.3 (including) |
| Wxbitcoin | Bitcoin | 0.3.4 (including) | 0.3.4 (including) |
| Wxbitcoin | Bitcoin | 0.3.5 (including) | 0.3.5 (including) |
| Wxbitcoin | Bitcoin | 0.3.8 (including) | 0.3.8 (including) |
| Wxbitcoin | Bitcoin | 0.3.10 (including) | 0.3.10 (including) |
| Wxbitcoin | Bitcoin | 0.3.11 (including) | 0.3.11 (including) |
| Wxbitcoin | Bitcoin | 0.4.0 (including) | 0.4.0 (including) |
| Wxbitcoin | Bitcoin | 0.4.1 (including) | 0.4.1 (including) |
| Wxbitcoin | Bitcoin | 0.4.1-rc6 (including) | 0.4.1-rc6 (including) |
| Wxbitcoin | Bitcoin | 0.5.0-rc (including) | 0.5.0-rc (including) |