CVE-2021-41210: Heap OOB read in `tf.raw_ops.SparseCountSparseOutput`
First published: Fri Nov 05 2021(Updated: )
### Impact The [shape inference functions for `SparseCountSparseOutput`](https://github.com/tensorflow/tensorflow/blob/e0b6e58c328059829c3eb968136f17aa72b6c876/tensorflow/core/ops/count_ops.cc#L43-L50) can trigger a read outside of bounds of heap allocated array: ```python import tensorflow as tf @tf.function def func(): return tf.raw_ops.SparseCountSparseOutput( indices=[1], values=[[1]], dense_shape=[10], weights=[], binary_output= True) func() ``` The function fails to check that the first input (i.e., `indices`) has rank 2: ```cc auto rank = c->Dim(c->input(0), 1); ``` ### Patches We have patched the issue in GitHub commit [701cfaca222a82afbeeb17496bd718baa65a67d2](https://github.com/tensorflow/tensorflow/commit/701cfaca222a82afbeeb17496bd718baa65a67d2). The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range. ### For more information Please consult [our security guide](https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md) for more information regarding the security model and how to contact us with issues and questions. ### Attribution This vulnerability has been reported by members of the Aivul Team from Qihoo 360.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google TensorFlow | <2.4.4 | |
| Google TensorFlow | >=2.5.0<2.5.2 | |
| Google TensorFlow | =2.6.0 | |
| pip/tensorflow-gpu | <2.4.4 | 2.4.4 |
| pip/tensorflow-gpu | >=2.5.0<2.5.2 | 2.5.2 |
| pip/tensorflow-gpu | >=2.6.0<2.6.1 | 2.6.1 |
| pip/tensorflow-cpu | <2.4.4 | 2.4.4 |
| pip/tensorflow-cpu | >=2.5.0<2.5.2 | 2.5.2 |
| pip/tensorflow-cpu | >=2.6.0<2.6.1 | 2.6.1 |
| pip/tensorflow | <2.4.4 | 2.4.4 |
| pip/tensorflow | >=2.5.0<2.5.2 | 2.5.2 |
| pip/tensorflow | >=2.6.0<2.6.1 | 2.6.1 |
| <2.4.4 | ||
| >=2.5.0<2.5.2 | ||
| =2.6.0 |
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Reference Links
- https://github.com/tensorflow/tensorflow/commit/701cfaca222a82afbeeb17496bd718baa65a67d2
- https://github.com/tensorflow/tensorflow/security/advisories/GHSA-m342-ff57-4jcc
- https://nvd.nist.gov/vuln/detail/CVE-2021-41210
- https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-619.yaml
- https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-817.yaml
- https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-402.yaml
- https://github.com/advisories/GHSA-m342-ff57-4jcc (Advisory)
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