The privateaddresscheck ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery.
{
"source": [
"CPE_FIELD",
"REFERENCES"
],
"cpe": "cpe:2.3:a:private_address_check_project:private_address_check:*:*:*:*:*:ruby:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "0.4.0"
}
]
}