Vulnerability · Published May 14, 2021 · Assigned by GitHub_M

CVE-2021-29556Division by 0 in `Reverse`

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. An attacker can cause a denial of service via a FPE runtime error in `tf.raw_ops.Reverse`. This is because the implementation(https://github.com/tensorflow/tensorflow/blob/36229ea9e9451dac14a8b1f4711c435a1d84a594/tensorflow/core/kernels/reverse_op.cc#L75-L76) performs a division based on the first dimension of the tensor argument. 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-fxqh-cfjm-fp93
PyPItensorflow2.4.2GHSA-fxqh-cfjm-fp93
PyPItensorflow2.1.4GHSA-fxqh-cfjm-fp93
PyPItensorflow2.2.0rc0, 2.3.0rc0, 2.3.4, 2.4.3PYSEC-2021-193
PyPItensorflow2.2.3GHSA-fxqh-cfjm-fp93
PyPItensorflow-cpu2.4.2GHSA-fxqh-cfjm-fp93
PyPItensorflow-cpu2.1.4GHSA-fxqh-cfjm-fp93
PyPItensorflow-cpu2.2.3GHSA-fxqh-cfjm-fp93
PyPItensorflow-cpu2.3.3GHSA-fxqh-cfjm-fp93
PyPItensorflow-cpu2.2.0rc0, 2.3.0rc0, 2.3.4, 2.4.3PYSEC-2021-484
PyPItensorflow-gpu2.3.3GHSA-fxqh-cfjm-fp93
PyPItensorflow-gpu2.4.2GHSA-fxqh-cfjm-fp93
PyPItensorflow-gpu2.1.4GHSA-fxqh-cfjm-fp93
PyPItensorflow-gpu2.2.0rc0, 2.3.0rc0, 2.3.4, 2.4.3PYSEC-2021-682
PyPItensorflow-gpu2.2.3GHSA-fxqh-cfjm-fp93

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-369 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

References