CVE-2020-15195: Heap buffer overflow in Tensorflow
(updated )
The implementation of SparseFillEmptyRowsGrad uses a double indexing pattern:
https://github.com/tensorflow/tensorflow/blob/0e68f4d3295eb0281a517c3662f6698992b7b2cf/tensorflow/core/kernels/sparse_fill_empty_rows_op.cc#L263-L269
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.
References
- github.com/advisories/GHSA-63xm-rx5p-xvqr
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2020-275.yaml
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2020-310.yaml
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2020-118.yaml
- github.com/tensorflow/tensorflow
- github.com/tensorflow/tensorflow/commit/390611e0d45c5793c7066110af37c8514e6a6c54
- github.com/tensorflow/tensorflow/releases/tag/v2.3.1
- github.com/tensorflow/tensorflow/security/advisories/GHSA-63xm-rx5p-xvqr
- nvd.nist.gov/vuln/detail/CVE-2020-15195
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