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.
| Software | From | Fixed in |
|---|---|---|
| vanillaforums / vanilla | 2.0.16 | 2.0.16.x |
| vanillaforums / vanilla | 2.0.9 | 2.0.9.x |
| vanillaforums / vanilla | 2.0.10 | 2.0.10.x |
| vanillaforums / vanilla | 2.0.11 | 2.0.11.x |
| vanillaforums / vanilla | 2.0.12 | 2.0.12.x |
| vanillaforums / vanilla | 2.0.13 | 2.0.13.x |
| vanillaforums / vanilla | 2.0.14 | 2.0.14.x |
| vanillaforums / vanilla | 2.0.15 | 2.0.15.x |
| vanillaforums / vanilla | 2.0.17 | 2.0.17.x |
| vanillaforums / vanilla | 2.0.17.1 | 2.0.17.1.x |
| vanillaforums / vanilla | 2.0.17.2 | 2.0.17.2.x |
| vanillaforums / vanilla | 2.0.17.3 | 2.0.17.3.x |
| vanillaforums / vanilla | 2.0.17.4 | 2.0.17.4.x |
| vanillaforums / vanilla | - | 2.0.17.5.x |