BIT-TENSORFLOW-2021-37666 Reference binding to nullptr in `RaggedTensorToVariant` in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can cause undefined behavior via binding a reference to null pointer in tf.rawops.RaggedTensorToVariant. The implementation has an incomplete validation of the splits values, missing the case...

BIT-TENSORFLOW-2021-37667 Reference binding to nullptr in unicode encoding in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can cause undefined behavior via binding a reference to null pointer in tf.rawops.UnicodeEncode. The implementation reads the first dimension of the inputsplits tensor before validating that th...

BIT-TENSORFLOW-2021-37668 Division by zero in TensorFlow Lite `tf.raw_ops.UnravelIndex`

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can cause denial of service in applications serving models using tf.rawops.UnravelIndex by triggering a division by 0. The implementation does not check that the tensor subsumed by dims is not...

BIT-TENSORFLOW-2021-37669 Crash in NMS ops caused by integer conversion to unsigned in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can cause denial of service in applications serving models using tf.rawops.NonMaxSuppressionV5 by triggering a division by 0. The implementation uses a user controlled argument to resize a...

BIT-TENSORFLOW-2021-37670 Heap OOB in `UpperBound` and `LowerBound` in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can read from outside of bounds of heap allocated data by sending specially crafted illegal arguments to tf.rawops.UpperBound. The implementation does not validate the rank of sortedinput...

BIT-TENSORFLOW-2021-37671 Reference binding to nullptr in map operations in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can cause undefined behavior via binding a reference to null pointer in tf.rawops.Map and tf.rawops.OrderedMap operations. The implementation has a check in place to ensure that indices is in...

BIT-TENSORFLOW-2021-37672 Heap OOB in `SdcaOptimizerV2` in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can read from outside of bounds of heap allocated data by sending specially crafted illegal arguments to tf.rawops.SdcaOptimizerV2. The implementation does not check that the length of...

BIT-TENSORFLOW-2021-37673 `CHECK`-fail in `MapStage` in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can trigger a denial of service via a CHECK-fail in tf.rawops.MapStage. The implementation does not check that the key input is a valid non-empty tensor. We have patched the issue in GitHub...

BIT-TENSORFLOW-2021-37674 Incomplete validation in `MaxPoolGrad` in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can trigger a denial of service via a segmentation fault in tf.rawops.MaxPoolGrad caused by missing validation. The implementation misses some validation for the originput and origoutput tensor...

BIT-TENSORFLOW-2021-37675 Division by 0 in most convolution operators in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions most implementations of convolution operators in TensorFlow are affected by a division by 0 vulnerability where an attacker can trigger a denial of service via a crash. The shape inference implementation i...

BIT-TENSORFLOW-2021-37676 Reference binding to nullptr in shape inference in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can cause undefined behavior via binding a reference to null pointer in tf.rawops.SparseFillEmptyRows. The shape inference implementation does not validate that the input arguments are not empt...

BIT-TENSORFLOW-2021-37677 Missing validation in shape inference for `Dequantize` in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the shape inference code for tf.rawops.Dequantize has a vulnerability that could trigger a denial of service via a segfault if an attacker provides invalid arguments. The shape inference implementation use...

BIT-TENSORFLOW-2021-37678 Arbitrary code execution due to YAML deserialization

TensorFlow is an end-to-end open source platform for machine learning. In affected versions TensorFlow and Keras can be tricked to perform arbitrary code execution when deserializing a Keras model from YAML format. The implementation uses yaml.unsafeload which can perform arbitrary code execution...

BIT-TENSORFLOW-2021-37679 Heap OOB in nested `tf.map_fn` with `RaggedTensor`s in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions it is possible to nest a tf.mapfn within another tf.mapfn call. However, if the input tensor is a RaggedTensor and there is no function signature provided, code assumes the output is a fully specified tens...

BIT-TENSORFLOW-2021-37680 Division by zero in TFLite in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementation of fully connected layers in TFLite is vulnerable to a division by zero error. We have patched the issue in GitHub commit 718721986aa137691ee23f03638867151f74935f. The fix will be includ...

BIT-TENSORFLOW-2021-37681 Null pointer exception in TensorFlow Lite

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementation of SVDF in TFLite is vulnerable to a null pointer error. The GetVariableInput function can return a null pointer but GetTensorData assumes that the argument is always a valid tensor...

BIT-TENSORFLOW-2021-37682 Use of unitialized value in TensorFlow Lite

TensorFlow is an end-to-end open source platform for machine learning. In affected versions all TFLite operations that use quantization can be made to use unitialized values. For example. The issue stems from the fact that quantization.params is only valid if quantization.type is different that...

BIT-TENSORFLOW-2021-37683 Division by zero in TensorFlow Lite division operations

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementation of division in TFLite is vulnerable to a division by 0 error. There is no check that the divisor tensor does not contain zero elements. We have patched the issue in GitHub commit...

BIT-TENSORFLOW-2021-37684 Division by zero in TensorFlow Lite pooling operations

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementations of pooling in TFLite are vulnerable to division by 0 errors as there are no checks for divisors not being 0. We have patched the issue in GitHub commit...

BIT-TENSORFLOW-2021-37685 Heap OOB in TensorFlow Lite

TensorFlow is an end-to-end open source platform for machine learning. In affected versions TFLite's expanddims.cc contains a vulnerability which allows reading one element outside of bounds of heap allocated data. If axis is a large negative value e.g., -100000, then after the first if it would...