cnvd - cnvd-2020-54781

cnvd-2020-54781

Vulnerability from cnvd

Title: Google TensorFlow代码问题漏洞（CNVD-2020-54781）

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。

Tensorflow 2.2.1之前版本，2.3.1版本中存在安全漏洞，该漏洞源于pybind11粘合代码假定参数是张量，攻击者可利用该漏洞使dlpack.to_dlpack的实现使用未初始化的内存，从而导致进一步的内存损坏。

Severity: 高

Patch Name: Google TensorFlow代码问题漏洞（CNVD-2020-54781）的补丁

Patch 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。

Tensorflow 2.2.1之前版本，2.3.1版本中存在安全漏洞，该漏洞源于pybind11粘合代码假定参数是张量，攻击者可利用该漏洞使dlpack.to_dlpack的实现使用未初始化的内存，从而导致进一步的内存损坏。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-15193

Impacted products

Name
['Google Google TensorFlow 2.3.1', 'Google Google TensorFlow <2.2.1']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-15193",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-15193"
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  "number": "CNVD-2020-54781",
  "openTime": "2020-09-30",
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  "products": {
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  "submitTime": "2020-09-28",
  "title": "Google TensorFlow\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2020-54781\uff09"
}

CVE-2020-15193 (GCVE-0-2020-15193)

Vulnerability from cvelistv5

Published

2020-09-25 18:40

Modified

2024-08-04 13:08

Severity ?

7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

CWE

CWE-908 - {"":"Use of Uninitialized Resource"}

Summary

In Tensorflow before versions 2.2.1 and 2.3.1, the implementation of `dlpack.to_dlpack` can be made to use uninitialized memory resulting in further memory corruption. This is because the pybind11 glue code assumes that the argument is a tensor. However, there is nothing stopping users from passing in a Python object instead of a tensor. The uninitialized memory address is due to a `reinterpret_cast` Since the `PyObject` is a Python object, not a TensorFlow Tensor, the cast to `EagerTensor` fails. The issue is patched in commit 22e07fb204386768e5bcbea563641ea11f96ceb8 and is released in TensorFlow versions 2.2.1, or 2.3.1.

References

▼	URL	Tags
	https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1	x_refsource_MISC
	https://github.com/tensorflow/tensorflow/security/advisories/GHSA-rjjg-hgv6-h69v	x_refsource_CONFIRM
	https://github.com/tensorflow/tensorflow/commit/22e07fb204386768e5bcbea563641ea11f96ceb8	x_refsource_MISC
	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html	vendor-advisory, x_refsource_SUSE

Impacted products

	Vendor	Product	Version
	tensorflow	tensorflow	Version: = 2.2.0 Version: = 2.3.0

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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