ecstatic
, a simple static file server middleware, is vulnerable to denial of service. If a payload with a large number of null bytes (%00
) is provided by an attacker it can crash ecstatic by running it out of memory.
Results from the original advisory
A payload of 22kB caused a lag of 1 second,
A payload of 35kB caused a lag of 3 seconds,
A payload of 86kB caused the server to crash
Update to version 2.0.0 or later.