CVE-2020-15201

Medium

Description

In Tensorflow before version 2.3.1, the `RaggedCountSparseOutput` implementation does not validate that the input arguments form a valid ragged tensor. In particular, there is no validation that the values in the `splits` tensor generate a valid partitioning of the `values` tensor. Hence, the code is prone to heap buffer overflow. If `split_values` does not end with a value at least `num_values` then the `while` loop condition will trigger a read outside of the bounds of `split_values` once `batch_idx` grows too large. The issue is patched in commit 3cbb917b4714766030b28eba9fb41bb97ce9ee02 and is released in TensorFlow version 2.3.1.

SeverityMedium
CVSS4.8
Exploit probability—
ProductGoogle Tensorflow
PublishedSep 25, 2020
First seenSep 25, 2020

How to fix

Update
  • tensorflow2.3.1 or later
  • tensorflow-cpu2.3.1 or later
  • tensorflow-gpu2.3.1 or later

Affected products

ProductAffected versionsFixed in
google tensorflow2.3.0—
tensorflowPyPI2.3.0 ≤ v < 2.3.1, v < 2.3.12.3.1
tensorflow-cpuPyPI2.3.0 ≤ v < 2.3.1, v < 2.3.12.3.1
tensorflow-gpuPyPI2.3.0 ≤ v < 2.3.1, v < 2.3.12.3.1

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CVE-2020-15201 · Google Tensorflow · Dark Radar