libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "2.20"
}
],
"cpe": "cpe:2.3:a:shellinabox_project:shellinabox:*:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
}