Vulnerability-Lookup

CNVD-2020-22208

Vulnerability from cnvd - Published: 2020-04-09

Title

Varnish Cache信息泄露漏洞

Description

Varnish Cache是一套反向网站缓存服务器。 Varnish Cache中存在安全漏洞，该漏洞源于同一连接中，在处理下一个客户端请求时程序未能清理上一个请求的指针。攻击者可利用该漏洞获取消息。

Severity

中

Patch Name

Varnish Cache信息泄露漏洞的补丁

Patch Description

Varnish Cache是一套反向网站缓存服务器。 Varnish Cache中存在安全漏洞，该漏洞源于同一连接中，在处理下一个客户端请求时程序未能清理上一个请求的指针。攻击者可利用该漏洞获取消息。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： http://varnish-cache.org/security/VSV00004.html#vsv00004

Impacted products

Name
['Varnish Cache Varnish Cache <6.0.5 LTS', 'Varnish Cache Varnish Cache 6.1.', 'Varnish Cache Varnish Cache 6.2.，<6.2.2', 'Varnish Cache Varnish Cache 6.3.*，<6.3.1']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20637"
    }
  },
  "description": "Varnish Cache\u662f\u4e00\u5957\u53cd\u5411\u7f51\u7ad9\u7f13\u5b58\u670d\u52a1\u5668\u3002\n\nVarnish Cache\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u540c\u4e00\u8fde\u63a5\u4e2d\uff0c\u5728\u5904\u7406\u4e0b\u4e00\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42\u65f6\u7a0b\u5e8f\u672a\u80fd\u6e05\u7406\u4e0a\u4e00\u4e2a\u8bf7\u6c42\u7684\u6307\u9488\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6d88\u606f\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\uff1a\r\nhttp://varnish-cache.org/security/VSV00004.html#vsv00004",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-22208",
  "openTime": "2020-04-09",
  "patchDescription": "Varnish Cache\u662f\u4e00\u5957\u53cd\u5411\u7f51\u7ad9\u7f13\u5b58\u670d\u52a1\u5668\u3002\r\n\r\nVarnish Cache\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u540c\u4e00\u8fde\u63a5\u4e2d\uff0c\u5728\u5904\u7406\u4e0b\u4e00\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42\u65f6\u7a0b\u5e8f\u672a\u80fd\u6e05\u7406\u4e0a\u4e00\u4e2a\u8bf7\u6c42\u7684\u6307\u9488\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6d88\u606f\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": "Varnish Cache\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Varnish Cache Varnish Cache \u003c6.0.5 LTS",
      "Varnish Cache Varnish Cache 6.1.*",
      "Varnish Cache Varnish Cache 6.2.*\uff0c\u003c6.2.2",
      "Varnish Cache Varnish Cache 6.3.*\uff0c\u003c6.3.1"
    ]
  },
  "serverity": "\u4e2d",
  "submitTime": "2020-04-09",
  "title": "Varnish Cache\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2019-20637 (GCVE-0-2019-20637)

Vulnerability from cvelistv5 – Published: 2020-04-08 23:01 – Updated: 2024-08-05 02:46

Summary

An issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not clear a pointer between the handling of one client request and the next request within the same connection. This sometimes causes information to be disclosed from the connection workspace, such as data structures associated with previous requests within this connection or VCL-related temporary headers.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
http://varnish-cache.org/security/VSV00004.html#v…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:46:10.452Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://varnish-cache.org/security/VSV00004.html#vsv00004"
          },
          {
            "name": "openSUSE-SU-2020:0819",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html"
          },
          {
            "name": "openSUSE-SU-2020:0808",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not clear a pointer between the handling of one client request and the next request within the same connection. This sometimes causes information to be disclosed from the connection workspace, such as data structures associated with previous requests within this connection or VCL-related temporary headers."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-16T15:06:12.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://varnish-cache.org/security/VSV00004.html#vsv00004"
        },
        {
          "name": "openSUSE-SU-2020:0819",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html"
        },
        {
          "name": "openSUSE-SU-2020:0808",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-20637",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not clear a pointer between the handling of one client request and the next request within the same connection. This sometimes causes information to be disclosed from the connection workspace, such as data structures associated with previous requests within this connection or VCL-related temporary headers."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://varnish-cache.org/security/VSV00004.html#vsv00004",
              "refsource": "MISC",
              "url": "http://varnish-cache.org/security/VSV00004.html#vsv00004"
            },
            {
              "name": "openSUSE-SU-2020:0819",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html"
            },
            {
              "name": "openSUSE-SU-2020:0808",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-20637",
    "datePublished": "2020-04-08T23:01:30.000Z",
    "dateReserved": "2020-04-08T00:00:00.000Z",
    "dateUpdated": "2024-08-05T02:46:10.452Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2020-22208

CVE-2019-20637 (GCVE-0-2019-20637)

Tags

Sightings

Nomenclature

Related by attack behaviour