CVE-2020-15208 (High) detected in TensorIOTensorFlow-2.0.8

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CVE-2020-15208 - High Severity Vulnerability

Vulnerable Library - TensorIOTensorFlow-2.0.8

An unofficial build of TensorFlow for iOS used by TensorIO, supporting inference, evaluation, and training.

Library home page: https://storage.googleapis.com/tensorio-build/ios/release/2.0/xcodebuild/12C33/tag/2.0.8/pod/TensorIO-TensorFlow-2.0_8.tar.gz

Path to dependency file: tensorio-ios/TensorFlowExample/Podfile.lock

Path to vulnerable library: tensorio-ios/TensorFlowExample/Podfile.lock,tensorio-ios/SwiftTensorFlowExample/Podfile.lock

Dependency Hierarchy:

• TensorIO/TensorFlow-1.2.5 (Root Library)
  • ❌ TensorIOTensorFlow-2.0.8 (Vulnerable Library)

Found in HEAD commit: 9ca8c916de11c6aadffe21f686982bf1f761da36

Found in base branch: master

Vulnerability Details

In tensorflow-lite before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1, when determining the common dimension size of two tensors, TFLite uses a DCHECK which is no-op outside of debug compilation modes. Since the function always returns the dimension of the first tensor, malicious attackers can craft cases where this is larger than that of the second tensor. In turn, this would result in reads/writes outside of bounds since the interpreter will wrongly assume that there is enough data in both tensors. The issue is patched in commit 8ee24e7949a203d234489f9da2c5bf45a7d5157d, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.

Publish Date: 2020-09-25

URL: CVE-2020-15208

CVSS 3 Score Details (9.8)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: tensorflow/tensorflow@2d88f47

Release Date: 2020-07-21

Fix Resolution: 1.15.4, 2.0.3, 2.1.2, 2.2.1, 2.3.1