hook.c in BitchX 1.1-final allows remote IRC servers to execute arbitrary commands by sending a client certain data containing NICK and EXEC strings, which exceeds the bounds of a hash table, and injects an EXEC hook function that receives and executes shell commands.
| Software | From | Fixed in |
|---|---|---|
| bitchx / bitchx | 1.1-final | 1.1-final.x |