The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak facility for producing a random number sequence (Unix rand), which makes it easier for remote attackers to spoof DNS responses by guessing certain values.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| C-ares | Daniel_stenberg | 1.0 (including) | 1.0 (including) |
| C-ares | Daniel_stenberg | 1.1 (including) | 1.1 (including) |
| C-ares | Daniel_stenberg | 1.2 (including) | 1.2 (including) |
| C-ares | Daniel_stenberg | 1.2.1 (including) | 1.2.1 (including) |
| C-ares | Daniel_stenberg | 1.3 (including) | 1.3 (including) |
| C-ares | Daniel_stenberg | 1.3.1 (including) | 1.3.1 (including) |
| C-ares | Daniel_stenberg | 1.3.2 (including) | 1.3.2 (including) |