cnvd - cnvd-2022-15542

cnvd-2022-15542

Vulnerability from cnvd

Title: Envoy资源管理错误漏洞（CNVD-2022-15542）

Description:

Envoy是一款开源的分布式代理服务器。

Envoy 存在资源管理错误漏洞，该漏洞源于当为上游隧道配置“envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config”时发生崩溃，并且下游连接断开，而上游连接或 http/2 流仍然存在。没有解决此问题的方法。建议用户升级。目前没有详细的漏洞细节提供。

Severity: 高

Patch Name: Envoy资源管理错误漏洞（CNVD-2022-15542）的补丁

Patch Description:

Envoy是一款开源的分布式代理服务器。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/envoyproxy/envoy/security/advisories/GHSA-cmx3-fvgf-83mf

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-43826

Impacted products

Name
Envoy Envoy

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-43826"
    }
  },
  "description": "Envoy\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u4ee3\u7406\u670d\u52a1\u5668\u3002\n\nEnvoy \u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5f53\u4e3a\u4e0a\u6e38\u96a7\u9053\u914d\u7f6e\u201cenvoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config\u201d\u65f6\u53d1\u751f\u5d29\u6e83\uff0c\u5e76\u4e14\u4e0b\u6e38\u8fde\u63a5\u65ad\u5f00\uff0c\u800c\u4e0a\u6e38\u8fde\u63a5\u6216 http/2 \u6d41\u4ecd\u7136\u5b58\u5728\u3002 \u6ca1\u6709\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u3002 \u5efa\u8bae\u7528\u6237\u5347\u7ea7\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
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  "number": "CNVD-2022-15542",
  "openTime": "2022-03-01",
  "patchDescription": "Envoy\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u4ee3\u7406\u670d\u52a1\u5668\u3002\r\n\r\nEnvoy \u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5f53\u4e3a\u4e0a\u6e38\u96a7\u9053\u914d\u7f6e\u201cenvoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config\u201d\u65f6\u53d1\u751f\u5d29\u6e83\uff0c\u5e76\u4e14\u4e0b\u6e38\u8fde\u63a5\u65ad\u5f00\uff0c\u800c\u4e0a\u6e38\u8fde\u63a5\u6216 http/2 \u6d41\u4ecd\u7136\u5b58\u5728\u3002 \u6ca1\u6709\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u3002 \u5efa\u8bae\u7528\u6237\u5347\u7ea7\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
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  "products": {
    "product": "Envoy Envoy"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-43826",
  "serverity": "\u9ad8",
  "submitTime": "2022-02-24",
  "title": "Envoy\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2022-15542\uff09"
}

CVE-2021-43826 (GCVE-0-2021-43826)

Vulnerability from cvelistv5

Published

2022-02-22 22:45

Modified

2025-04-23 19:01

Severity ?

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

CWE

CWE-416 - Use After Free

Summary

Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions of Envoy a crash occurs when configured for :ref:`upstream tunneling <envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config>` and the downstream connection disconnects while the the upstream connection or http/2 stream is still being established. There are no workarounds for this issue. Users are advised to upgrade.

References

▼	URL	Tags
	https://github.com/envoyproxy/envoy/security/advisories/GHSA-cmx3-fvgf-83mf	x_refsource_CONFIRM
	https://github.com/envoyproxy/envoy/commit/ce0ae309057a216aba031aff81c445c90c6ef145	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	envoyproxy	envoy	Version: < 1.18.6 Version: >= 1.19.0, < 1.19.3 Version: >= 1.20.0, < 1.20.2 Version: >= 1.21.0, < 1.21.1

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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