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CVE-2021-37671: Reference binding to nullptr in map operations

August 25, 2021 (updated November 13, 2024)

An attacker can cause undefined behavior via binding a reference to null pointer in tf.raw_ops.Map* and tf.raw_ops.OrderedMap* operations:

import tensorflow as tf

tf.raw_ops.MapPeek(
key=tf.constant([8],dtype=tf.int64),
indices=[],
dtypes=[tf.int32],
capacity=8,
memory_limit=128)

References

  • github.com/advisories/GHSA-qr82-2c78-4m8h
  • github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-584.yaml
  • github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-782.yaml
  • github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-293.yaml
  • github.com/tensorflow/tensorflow
  • github.com/tensorflow/tensorflow/commit/532f5c5a547126c634fefd43bbad1dc6417678ac
  • github.com/tensorflow/tensorflow/security/advisories/GHSA-qr82-2c78-4m8h
  • nvd.nist.gov/vuln/detail/CVE-2021-37671

Code Behaviors & Features

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Affected versions

All versions before 2.3.4, all versions starting from 2.4.0 before 2.4.3, all versions starting from 2.5.0 before 2.5.1, version 2.5.0

Fixed versions

  • 2.3.4
  • 2.4.3
  • 2.5.1

Solution

Upgrade to versions 2.3.4, 2.4.3, 2.5.1 or above.

Impact 7.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-824: Access of Uninitialized Pointer

Source file

pypi/tensorflow-gpu/CVE-2021-37671.yml

Spotted a mistake? Edit the file on GitLab.

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