CVE-2021-37652— Google TensorFlow资源管理错误漏洞
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一、 漏洞 CVE-2021-37652 基础信息
漏洞信息
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Vulnerability Title
Use after free in boosted trees creation in TensorFlow
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementation for `tf.raw_ops.BoostedTreesCreateEnsemble` can result in a use after free error if an attacker supplies specially crafted arguments. The [implementation](https://github.com/tensorflow/tensorflow/blob/f24faa153ad31a4b51578f8181d3aaab77a1ddeb/tensorflow/core/kernels/boosted_trees/resource_ops.cc#L55) uses a reference counted resource and decrements the refcount if the initialization fails, as it should. However, when the code was written, the resource was represented as a naked pointer but later refactoring has changed it to be a smart pointer. Thus, when the pointer leaves the scope, a subsequent `free`-ing of the resource occurs, but this fails to take into account that the refcount has already reached 0, thus the resource has been already freed. During this double-free process, members of the resource object are accessed for cleanup but they are invalid as the entire resource has been freed. We have patched the issue in GitHub commit 5ecec9c6fbdbc6be03295685190a45e7eee726ab. 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.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
释放后使用
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Google TensorFlow资源管理错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Google TensorFlow是美国谷歌（Google）公司的一套用于机器学习的端到端开源平台。 Google TensorFlow 2.5.1，2.4.3和2.3.4存在资源管理错误漏洞，攻击者可以利用该漏洞导致TensorFlow异常终止。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| tensorflow | tensorflow | >= 2.5.0, < 2.5.1 | - |
二、漏洞 CVE-2021-37652 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2021-37652 补丁与修复 (1)
CVE-2021-37652 厂商安全公告 (1)
同批安全公告 · tensorflow · 2021-08-12 · 共 58 条
| CVE-2021-37678 | 9.3 CRITICAL | Google TensorFlow 代码问题漏洞 |
| CVE-2021-37639 | 8.4 HIGH | Google TensorFlow代码问题漏洞 |
| CVE-2021-37681 | 7.8 HIGH | Google TensorFlow 代码问题漏洞 |
| CVE-2021-37665 | 7.8 HIGH | Google TensorFlow 输入验证错误漏洞 |
| CVE-2021-37663 | 7.8 HIGH | Google TensorFlow 输入验证错误漏洞 |
| CVE-2021-37667 | 7.8 HIGH | Google TensorFlow 缓冲区错误漏洞 |
| CVE-2021-37689 | 7.8 HIGH | Google TensorFlow 代码问题漏洞 |
| CVE-2021-37688 | 7.8 HIGH | Google TensorFlow 代码问题漏洞 |
| CVE-2021-37676 | 7.8 HIGH | Google TensorFlow缓冲区错误漏洞 |
| CVE-2021-37671 | 7.8 HIGH | Google TensorFlow缓冲区错误漏洞 |
| CVE-2021-37666 | 7.8 HIGH | Google TensorFlow缓冲区错误漏洞 |
| CVE-2021-37648 | 7.8 HIGH | Google TensorFlow 代码问题漏洞 |
| CVE-2021-37650 | 7.8 HIGH | Google TensorFlow缓冲区错误漏洞 |
| CVE-2021-37643 | 7.7 HIGH | Google TensorFlow代码问题漏洞 |
| CVE-2021-37638 | 7.7 HIGH | Google TensorFlow 代码问题漏洞 |
| CVE-2021-37647 | 7.7 HIGH | Google TensorFlow代码问题漏洞 |
| CVE-2021-37637 | 7.7 HIGH | Google TensorFlow代码问题漏洞 |
| CVE-2021-37649 | 7.7 HIGH | Google TensorFlow 代码问题漏洞 |
| CVE-2021-37664 | 7.3 HIGH | Google TensorFlow 缓冲区错误漏洞 |
| CVE-2021-37659 | 7.3 HIGH | Google TensorFlow代码问题漏洞 |
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IV. Related Vulnerabilities
V. Comments for CVE-2021-37652
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