Vulnerability · Published May 14, 2021 · Assigned by GitHub_M

CVE-2021-29567Lack of validation in `SparseDenseCwiseMul`

Low 2.5

In plain English

A low-severity security flaw in tensorflow from tensorflow. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)2.5Low
Exploit odds (30 days)0.2%top 91.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

TensorFlow is an end-to-end open source platform for machine learning. Due to lack of validation in `tf.raw_ops.SparseDenseCwiseMul`, an attacker can trigger denial of service via `CHECK`-fails or accesses to outside the bounds of heap allocated data. Since the implementation(https://github.com/tensorflow/tensorflow/blob/38178a2f7a681a7835bb0912702a134bfe3b4d84/tensorflow/core/kernels/sparse_dense_binary_op_shared.cc#L68-L80) only validates the rank of the input arguments but no constraints between dimensions(https://www.tensorflow.org/api_docs/python/tf/raw_ops/SparseDenseCwiseMul), an attacker can abuse them to trigger internal `CHECK` assertions (and cause program termination, denial of service) or to write to memory outside of bounds of heap allocated tensor buffers. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPItensorflow2.3.3GHSA-wp3c-xw9g-gpcg
PyPItensorflow2.4.2GHSA-wp3c-xw9g-gpcg
PyPItensorflow2.1.4GHSA-wp3c-xw9g-gpcg
PyPItensorflow2.1.4, 2.2.3, 2.3.3, 2.4.2PYSEC-2021-204
PyPItensorflow2.2.3GHSA-wp3c-xw9g-gpcg
PyPItensorflow-cpu2.4.2GHSA-wp3c-xw9g-gpcg
PyPItensorflow-cpu2.1.4GHSA-wp3c-xw9g-gpcg
PyPItensorflow-cpu2.2.3GHSA-wp3c-xw9g-gpcg
PyPItensorflow-cpu2.3.3GHSA-wp3c-xw9g-gpcg
PyPItensorflow-cpu2.1.4, 2.2.3, 2.3.3, 2.4.2PYSEC-2021-495
PyPItensorflow-gpu2.3.3GHSA-wp3c-xw9g-gpcg
PyPItensorflow-gpu2.4.2GHSA-wp3c-xw9g-gpcg
PyPItensorflow-gpu2.1.4GHSA-wp3c-xw9g-gpcg
PyPItensorflow-gpu2.1.4, 2.2.3, 2.3.3, 2.4.2PYSEC-2021-693
PyPItensorflow-gpu2.2.3GHSA-wp3c-xw9g-gpcg

Affected products (as reported)

VendorProductVersions
tensorflow tensorflow < 2.1.4>= 2.2.0, < 2.2.3>= 2.3.0, < 2.3.3>= 2.4.0, < 2.4.2

Weakness: CWE-617 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

References