CVE-2021-29604: Division by zero in TFLite's implementation of hashtable lookup
(updated )
The TFLite implementation of hashtable lookup is vulnerable to a division by zero error:
const int num_rows = SizeOfDimension(value, 0);
const int row_bytes = value->bytes / num_rows;
An attacker can craft a model such that values’s first dimension would be 0.
References
- github.com/advisories/GHSA-8rm6-75mf-7r7r
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-532.yaml
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-730.yaml
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-241.yaml
- github.com/tensorflow/tensorflow
- github.com/tensorflow/tensorflow/blob/1a8e885b864c818198a5b2c0cbbeca5a1e833bc8/tensorflow/lite/kernels/hashtable_lookup.cc
- github.com/tensorflow/tensorflow/commit/5117e0851348065ed59c991562c0ec80d9193db2
- github.com/tensorflow/tensorflow/security/advisories/GHSA-8rm6-75mf-7r7r
- nvd.nist.gov/vuln/detail/CVE-2021-29604
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