Implementing support for v2.x for H2

plugins/dbms/h2/fingerprint.py

@@ -103,6 +103,10 @@ class Fingerprint(GenericFingerprint):
             else:
                 setDbms(DBMS.H2)
 
+                result = inject.checkBooleanExpression("JSON_OBJECT() IS NOT NULL")
+                version = '2' if result else '1'
+                Backend.setVersion(version)
+
                 self.getBanner()
 
                 return True

plugins/generic/users.py

@@ -13,6 +13,7 @@ from lib.core.common import Backend
 from lib.core.common import filterPairValues
 from lib.core.common import getLimitRange
 from lib.core.common import isAdminFromPrivileges
+from lib.core.common import isDBMSVersionAtLeast
 from lib.core.common import isInferenceAvailable
 from lib.core.common import isNoneValue
 from lib.core.common import isNullValue
@@ -104,6 +105,7 @@ class Users(object):
 
         condition = (Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")))
         condition |= (Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema)
+        condition |= (Backend.isDbms(DBMS.H2) and not isDBMSVersionAtLeast("2"))
 
         if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
             if Backend.isDbms(DBMS.MYSQL) and Backend.isFork(FORK.DRIZZLE):