Vulnerability-Lookup

CNVD-2017-37101

Vulnerability from cnvd - Published: 2017-12-14

Title

Varnish HTTP Cache信息泄露漏洞

Description

Varnish HTTP Cache是丹麦软件开发者Poul-Henning Kamp所研发的一款高性能、开源的反向代理服务器和缓存服务器。该服务器采用Visual Page Cache技术，可实现所有缓存的数据直接从内存读取，从而提高访问速度。 Varnish HTTP Cache 4.1.9之前的4.1.x版本和5.2.1之前的5.x版本中的vbf_stp_error存在安全漏洞。远程攻击者可利用该漏洞获取进程内存中的敏感信息。

Severity

中

Patch Name

Varnish HTTP Cache信息泄露漏洞的补丁

Patch Description

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/VSV00002.html

Reference

https://www.debian.org/security/2017/dsa-4034

Impacted products

Name
['Varnish Varnish 4.1.，<4.1.9', 'Varnish Varnish 5.，<5.2.1']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8807"
    }
  },
  "description": "Varnish HTTP Cache\u662f\u4e39\u9ea6\u8f6f\u4ef6\u5f00\u53d1\u8005Poul-Henning Kamp\u6240\u7814\u53d1\u7684\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u5f00\u6e90\u7684\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u548c\u7f13\u5b58\u670d\u52a1\u5668\u3002\u8be5\u670d\u52a1\u5668\u91c7\u7528Visual Page Cache\u6280\u672f\uff0c\u53ef\u5b9e\u73b0\u6240\u6709\u7f13\u5b58\u7684\u6570\u636e\u76f4\u63a5\u4ece\u5185\u5b58\u8bfb\u53d6\uff0c\u4ece\u800c\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\u3002\r\n\r\nVarnish HTTP Cache 4.1.9\u4e4b\u524d\u76844.1.x\u7248\u672c\u548c5.2.1\u4e4b\u524d\u76845.x\u7248\u672c\u4e2d\u7684vbf_stp_error\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u8fdb\u7a0b\u5185\u5b58\u4e2d\u7684\u654f\u611f\u4fe1\u606f\u3002",
  "discovererName": "Varnish",
  "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/VSV00002.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-37101",
  "openTime": "2017-12-14",
  "patchDescription": "Varnish HTTP Cache\u662f\u4e39\u9ea6\u8f6f\u4ef6\u5f00\u53d1\u8005Poul-Henning Kamp\u6240\u7814\u53d1\u7684\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u5f00\u6e90\u7684\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u548c\u7f13\u5b58\u670d\u52a1\u5668\u3002\u8be5\u670d\u52a1\u5668\u91c7\u7528Visual Page Cache\u6280\u672f\uff0c\u53ef\u5b9e\u73b0\u6240\u6709\u7f13\u5b58\u7684\u6570\u636e\u76f4\u63a5\u4ece\u5185\u5b58\u8bfb\u53d6\uff0c\u4ece\u800c\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\u3002\r\n\r\nVarnish HTTP Cache 4.1.9\u4e4b\u524d\u76844.1.x\u7248\u672c\u548c5.2.1\u4e4b\u524d\u76845.x\u7248\u672c\u4e2d\u7684vbf_stp_error\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u8fdb\u7a0b\u5185\u5b58\u4e2d\u7684\u654f\u611f\u4fe1\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 HTTP Cache\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Varnish Varnish 4.1.*\uff0c\u003c4.1.9",
      "Varnish Varnish 5.*\uff0c\u003c5.2.1"
    ]
  },
  "referenceLink": "https://www.debian.org/security/2017/dsa-4034",
  "serverity": "\u4e2d",
  "submitTime": "2017-11-16",
  "title": "Varnish HTTP Cache\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2017-8807 (GCVE-0-2017-8807)

Vulnerability from cvelistv5 – Published: 2017-11-16 02:00 – Updated: 2024-08-05 16:48

Summary

vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore transient objects.

Severity

No CVSS data available.

CWE

memory disclosure

Assigner

debian mitre root

References

6 references

URL	Tags
https://bugs.debian.org/881808	x_refsource_CONFIRM
http://varnish-cache.org/security/VSV00002.html	x_refsource_CONFIRM
https://github.com/varnishcache/varnish-cache/pull/2429	x_refsource_CONFIRM
https://github.com/varnishcache/varnish-cache/com…	x_refsource_CONFIRM
https://www.debian.org/security/2017/dsa-4034	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/101886	vdb-entryx_refsource_BID

Impacted products

1 product

Vendor	Product	Version
n/a	Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1	Affected: Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1

Date Public

2017-11-15 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:48:21.686Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugs.debian.org/881808"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://varnish-cache.org/security/VSV00002.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/varnishcache/varnish-cache/pull/2429"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7"
          },
          {
            "name": "DSA-4034",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2017/dsa-4034"
          },
          {
            "name": "101886",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/101886"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
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            }
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "memory disclosure",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-11-21T10:57:01.000Z",
        "orgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
        "shortName": "debian"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://bugs.debian.org/881808"
        },
        {
          "tags": [
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          ],
          "url": "http://varnish-cache.org/security/VSV00002.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/varnishcache/varnish-cache/pull/2429"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7"
        },
        {
          "name": "DSA-4034",
          "tags": [
            "vendor-advisory",
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          ],
          "url": "https://www.debian.org/security/2017/dsa-4034"
        },
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          "tags": [
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            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/101886"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
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        "affects": {
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            "vendor_data": [
              {
                "product": {
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                    {
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                      "version": {
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              "name": "http://varnish-cache.org/security/VSV00002.html",
              "refsource": "CONFIRM",
              "url": "http://varnish-cache.org/security/VSV00002.html"
            },
            {
              "name": "https://github.com/varnishcache/varnish-cache/pull/2429",
              "refsource": "CONFIRM",
              "url": "https://github.com/varnishcache/varnish-cache/pull/2429"
            },
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    "state": "PUBLISHED"
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}

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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

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.