CVE-2021-37680

MEDIUM5.5EPSS 0.01%

Division by zero in TFLite

發布日:2021/8/25修改日:2026/3/13

描述

### Impact The implementation of fully connected layers in TFLite is [vulnerable to a division by zero error](https://github.com/tensorflow/tensorflow/blob/460e000de3a83278fb00b61a16d161b1964f15f4/tensorflow/lite/kernels/fully_connected.cc#L226): ```cc const int batch_size = input_size / filter->dims->data[1]; ``` An attacker can craft a model such that `filter->dims->data[1]` is 0. ### Patches We have patched the issue in GitHub commit [718721986aa137691ee23f03638867151f74935f](https://github.com/tensorflow/tensorflow/commit/718721986aa137691ee23f03638867151f74935f). 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. ### For more information Please consult [our security guide](https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md) for more information regarding the security model and how to contact us with issues and questions. ### Attribution This vulnerability has been reported by members of the Aivul Team from Qihoo 360. Concurrently, it has also been reported by Yakun Zhang of Baidu Security.

受影響套件(7)

Bitnami/tensorflow>= 2.3.0, < 2.3.4, >= 2.4.0, < 2.4.3, >= 2.5.0, < 2.5.1
PyPI/tensorflowfrom 0, < 2.3.4
PyPI/tensorflowfrom 0, < 718721986aa137691ee23f03638867151f74935f | >= 2.3.0, < 2.3.4, >= 2.4.0, < 2.4.3
PyPI/tensorflow-cpufrom 0, < 718721986aa137691ee23f03638867151f74935f | >= 2.3.0, < 2.3.4, >= 2.4.0, < 2.4.3
PyPI/tensorflow-cpufrom 0, < 2.3.4
PyPI/tensorflow-gpufrom 0, < 718721986aa137691ee23f03638867151f74935f | >= 2.3.0, < 2.3.4, >= 2.4.0, < 2.4.3
PyPI/tensorflow-gpufrom 0, < 2.3.4

CVSS 分數

來源	版本	嚴重程度	向量
osv	CVSS 4.0	—	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
osv	CVSS 3.1	MEDIUM5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

描述

受影響套件(7)

CVSS 分數

參考連結(8)