In Tensorflow before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1, the implementation of `SparseFillEmptyRowsGrad` uses a double indexing pattern. It is possible for `reverse_index_map(i)` to be an index outside of bounds of `grad_values`, thus resulting in a heap buffer overflow. The issue is patched in commit 390611e0d45c5793c7066110af37c8514e6a6c54, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15195
Reference (s):
- https://github.com/tensorflow/tensorflow/security/advisories/GHSA-63xm-rx5p-xvqr
- URL: https://github.com/tensorflow/tensorflow/security/advisories/GHSA-63xm-rx5p-xvqr
- https://github.com/tensorflow/tensorflow/commit/390611e0d45c5793c7066110af37c8514e6a6c54
- URL: https://github.com/tensorflow/tensorflow/commit/390611e0d45c5793c7066110af37c8514e6a6c54
- https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1