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CVE-2021-29540
Good to know:
Date: May 14, 2021
TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a heap buffer overflow to occur in "Conv2DBackpropFilter". This is because the implementation(https://github.com/tensorflow/tensorflow/blob/1b0296c3b8dd9bd948f924aa8cd62f87dbb7c3da/tensorflow/core/kernels/conv_grad_filter_ops.cc#L495-L497) computes the size of the filter tensor but does not validate that it matches the number of elements in "filter_sizes". Later, when reading/writing to this buffer, code uses the value computed here, instead of the number of elements in the tensor. 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.
Language: Python
Severity Score
Related Resources (8)
Severity Score
Weakness Type (CWE)
Top Fix
Upgrade Version
Upgrade to version tensorflow-cpu - 2.1.4;tensorflow-cpu - 2.2.3;tensorflow-cpu - 2.3.3;tensorflow-cpu - 2.4.2;tensorflow - 2.1.4;tensorflow - 2.2.3;tensorflow - 2.3.3;tensorflow - 2.4.2;tensorflow-gpu - 2.1.4;tensorflow-gpu - 2.2.3;tensorflow-gpu - 2.3.3;tensorflow-gpu - 2.4.2;tensorflow-gpu - 2.2.0rc0
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | LOW |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | LOCAL |
| Access Complexity (AC): | LOW |
| Authentication (AU): | NONE |
| Confidentiality (C): | PARTIAL |
| Integrity (I): | PARTIAL |
| Availability (A): | PARTIAL |
| Additional information: |