The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers to spoof signed requests, and consequently obtain access to arbitrary user accounts, via HMAC timing attacks.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Vanilla | Vanillaforums | * | 2.0.17.5 (including) |
| Vanilla | Vanillaforums | 2.0.9 (including) | 2.0.9 (including) |
| Vanilla | Vanillaforums | 2.0.10 (including) | 2.0.10 (including) |
| Vanilla | Vanillaforums | 2.0.11 (including) | 2.0.11 (including) |
| Vanilla | Vanillaforums | 2.0.12 (including) | 2.0.12 (including) |
| Vanilla | Vanillaforums | 2.0.13 (including) | 2.0.13 (including) |
| Vanilla | Vanillaforums | 2.0.14 (including) | 2.0.14 (including) |
| Vanilla | Vanillaforums | 2.0.15 (including) | 2.0.15 (including) |
| Vanilla | Vanillaforums | 2.0.16 (including) | 2.0.16 (including) |
| Vanilla | Vanillaforums | 2.0.17 (including) | 2.0.17 (including) |
| Vanilla | Vanillaforums | 2.0.17.1 (including) | 2.0.17.1 (including) |
| Vanilla | Vanillaforums | 2.0.17.2 (including) | 2.0.17.2 (including) |
| Vanilla | Vanillaforums | 2.0.17.3 (including) | 2.0.17.3 (including) |
| Vanilla | Vanillaforums | 2.0.17.4 (including) | 2.0.17.4 (including) |