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Vulnerability Details : CVE-2021-37682

TensorFlow is an end-to-end open source platform for machine learning. In affected versions all TFLite operations that use quantization can be made to use unitialized values. [For example](https://github.com/tensorflow/tensorflow/blob/460e000de3a83278fb00b61a16d161b1964f15f4/tensorflow/lite/kernels/depthwise_conv.cc#L198-L200). The issue stems from the fact that `quantization.params` is only valid if `quantization.type` is different that `kTfLiteNoQuantization`. However, these checks are missing in large parts of the code. We have patched the issue in GitHub commits 537bc7c723439b9194a358f64d871dd326c18887, 4a91f2069f7145aab6ba2d8cfe41be8a110c18a5 and 8933b8a21280696ab119b63263babdb54c298538. The fix will be included in TensorFlow 2.6.0. We will also cherrypick this commit on TensorFlow 2.5.1, TensorFlow 2.4.3, and TensorFlow 2.3.4, as these are also affected and still in supported range.
Publish Date : 2021-08-12 Last Update Date : 2021-08-19
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- CVSS Scores & Vulnerability Types

CVSS Score
3.6
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 908

- Products Affected By CVE-2021-37682

# Product Type Vendor Product Version Update Edition Language
1 Application Google Tensorflow * * * * Version Details Vulnerabilities
2 Application Google Tensorflow 2.5.0 * * * Version Details Vulnerabilities
3 Application Google Tensorflow 2.6.0 RC0 * * Version Details Vulnerabilities
4 Application Google Tensorflow 2.6.0 RC1 * * Version Details Vulnerabilities
5 Application Google Tensorflow 2.6.0 RC2 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Google Tensorflow 5

- References For CVE-2021-37682

https://github.com/tensorflow/tensorflow/commit/8933b8a21280696ab119b63263babdb54c298538
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-4c4g-crqm-xrxw CONFIRM
https://github.com/tensorflow/tensorflow/commit/4a91f2069f7145aab6ba2d8cfe41be8a110c18a5
https://github.com/tensorflow/tensorflow/commit/537bc7c723439b9194a358f64d871dd326c18887

- Metasploit Modules Related To CVE-2021-37682

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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