cnvd - cnvd-2021-07249

cnvd-2021-07249

Vulnerability from cnvd

Title: Envoy存在未明漏洞

Description:

Envoy是一款开源的分布式代理服务器。

Envoy 1.16.1之前版本存在安全漏洞，该漏洞源于错误的处理丢弃和截断的数据报，如一个UDP包大小大于1500分割错误所证明。目前没有详细漏洞细节提供。

Severity: 中

Patch Name: Envoy存在未明漏洞的补丁

Patch Description:

Envoy是一款开源的分布式代理服务器。

Envoy 1.16.1之前版本存在安全漏洞，该漏洞源于错误的处理丢弃和截断的数据报，如一个UDP包大小大于1500分割错误所证明。目前没有详细漏洞细节提供。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:

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/pull/14122

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-35471

Impacted products

Name
Envoy Envoy <1.16.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-35471",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-35471"
    }
  },
  "description": "Envoy\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u4ee3\u7406\u670d\u52a1\u5668\u3002\n\nEnvoy 1.16.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u7684\u5904\u7406\u4e22\u5f03\u548c\u622a\u65ad\u7684\u6570\u636e\u62a5\uff0c\u5982\u4e00\u4e2aUDP\u5305\u5927\u5c0f\u5927\u4e8e1500\u5206\u5272\u9519\u8bef\u6240\u8bc1\u660e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1ahttps://github.com/envoyproxy/envoy/pull/14122",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-07249",
  "openTime": "2021-01-28",
  "patchDescription": "Envoy\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u4ee3\u7406\u670d\u52a1\u5668\u3002\r\n\r\nEnvoy 1.16.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u7684\u5904\u7406\u4e22\u5f03\u548c\u622a\u65ad\u7684\u6570\u636e\u62a5\uff0c\u5982\u4e00\u4e2aUDP\u5305\u5927\u5c0f\u5927\u4e8e1500\u5206\u5272\u9519\u8bef\u6240\u8bc1\u660e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\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",
  "patchName": "Envoy\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Envoy Envoy \u003c1.16.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-35471",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-21",
  "title": "Envoy\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2020-35471 (GCVE-0-2020-35471)

Vulnerability from cvelistv5

Published

2020-12-15 00:48

Modified

2024-08-04 17:02

Severity ?

CWE

Summary

Envoy before 1.16.1 mishandles dropped and truncated datagrams, as demonstrated by a segmentation fault for a UDP packet size larger than 1500.

References

▼	URL	Tags
	https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1	x_refsource_MISC
	https://github.com/envoyproxy/envoy/issues/14113	x_refsource_MISC
	https://github.com/envoyproxy/envoy/pull/14122	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
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    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:02:07.948Z",
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            ],
            "url": "https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1"
          },
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          },
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            ],
            "url": "https://github.com/envoyproxy/envoy/pull/14122"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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      ],
      "descriptions": [
        {
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      "providerMetadata": {
        "dateUpdated": "2020-12-15T00:48:24",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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      "references": [
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          "tags": [
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          ],
          "url": "https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1"
        },
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          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/envoyproxy/envoy/issues/14113"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/envoyproxy/envoy/pull/14122"
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      ],
      "x_legacyV4Record": {
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            "vendor_data": [
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        "description": {
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  },
  "cveMetadata": {
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    "dateReserved": "2020-12-15T00:00:00",
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    "state": "PUBLISHED"
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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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