CVE-2021-37671: TensorFlow undefined behavior from null pointer binding in Map operations

Summary

CVE-2021-37671 affects TensorFlow versions before the fix. An attacker can trigger undefined behavior by binding a reference to a null pointer in the tf.raw_ops.Map* and tf.raw_ops.OrderedMap* operations. The check that indices is in ascending order does not verify that indices is non-empty.

Mitigation

Fixed in GitHub commit 532f5c5a547126c634fefd43bbad1dc6417678ac, which will be included in TensorFlow 2.6.0. The commit will also be cherry-picked to TensorFlow 2.5.1, TensorFlow 2.4.3, and TensorFlow 2.3.4.

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

• tensorflowPyPINo LLM dependency detected · 26 tracked dependents
• tensorflow-gpuPyPINo LLM dependency detected · 2 tracked dependents

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