MichalFoksa commented on code in PR #2934:
URL: https://github.com/apache/avro/pull/2934#discussion_r1953410126
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lang/java/avro/src/main/java/org/apache/avro/specific/SpecificDatumReader.java:
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@@ -101,12 +115,43 @@ private Class getPropAsClass(Schema schema, String prop) {
if (name == null)
return null;
try {
- return ClassUtils.forName(getData().getClassLoader(), name);
+ Class clazz = ClassUtils.forName(getData().getClassLoader(), name);
+ checkSecurity(clazz);
+ return clazz;
} catch (ClassNotFoundException e) {
throw new AvroRuntimeException(e);
}
}
+ private boolean trustAllPackages() {
+ return (trustedPackages.size() == 1 && "*".equals(trustedPackages.get(0)));
+ }
+
+ private void checkSecurity(Class clazz) throws ClassNotFoundException {
+ if (trustAllPackages() || clazz.isPrimitive()) {
+ return;
+ }
+
+ boolean found = false;
+ Package thePackage = clazz.getPackage();
+ if (thePackage != null) {
Review Comment:
@martin-g Here you are PR #3311
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