Vulnerability-Lookup

CNVD-2019-00956

Vulnerability from cnvd - Published: 2019-01-10

Title

Proxygen拒绝服务漏洞（CNVD-2019-00956）

Description

Facebook Proxygen是美国Facebook公司的一套开源的C++HTTP类库。 Facebook Proxygen 2018.12.31.00之前版本中对无效HTTP2优先级设置处理的过程存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。

Severity

中

Patch Name

Proxygen拒绝服务漏洞（CNVD-2019-00956）的补丁

Patch Description

Facebook Proxygen是美国Facebook公司的一套开源的C++HTTP类库。 Facebook Proxygen 2018.12.31.00之前版本中对无效HTTP2优先级设置处理的过程存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。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

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/facebook/proxygen/commit/52cf331743ebd74194d6343a6c2ec52bb917c982

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-6346

Impacted products

Name
Facebook Proxygen <2018.12.31.00

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-6346"
    }
  },
  "description": "Facebook Proxygen\u662f\u7f8e\u56fdFacebook\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684C++HTTP\u7c7b\u5e93\u3002\n\nFacebook Proxygen 2018.12.31.00\u4e4b\u524d\u7248\u672c\u4e2d\u5bf9\u65e0\u6548HTTP2\u4f18\u5148\u7ea7\u8bbe\u7f6e\u5904\u7406\u7684\u8fc7\u7a0b\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "unKnow",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/facebook/proxygen/commit/52cf331743ebd74194d6343a6c2ec52bb917c982",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-00956",
  "openTime": "2019-01-10",
  "patchDescription": "Facebook Proxygen\u662f\u7f8e\u56fdFacebook\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684C++HTTP\u7c7b\u5e93\u3002\r\n\r\nFacebook Proxygen 2018.12.31.00\u4e4b\u524d\u7248\u672c\u4e2d\u5bf9\u65e0\u6548HTTP2\u4f18\u5148\u7ea7\u8bbe\u7f6e\u5904\u7406\u7684\u8fc7\u7a0b\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "Proxygen\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-00956\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Facebook Proxygen \u003c2018.12.31.00"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-6346",
  "serverity": "\u4e2d",
  "submitTime": "2019-01-02",
  "title": "Proxygen\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-00956\uff09"
}

CVE-2018-6346 (GCVE-0-2018-6346)

Vulnerability from cvelistv5 – Published: 2018-12-31 22:00 – Updated: 2025-05-06 16:00

Summary

A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 priority settings (specifically a circular dependency). This affects Proxygen prior to v2018.12.31.00.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-06 15:58 UTC

CWE

CWE-400 - Denial of Service (CWE-400)

Assigner

facebook Scorecard

References

1 reference

URL	Tags
https://github.com/facebook/proxygen/commit/52cf3…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Facebook	Proxygen	Affected: v2018.12.31.00 Affected: unspecified , < v2018.12.31.00 (custom)

Date Public

2018-12-31 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T06:01:48.728Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/facebook/proxygen/commit/52cf331743ebd74194d6343a6c2ec52bb917c982"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2018-6346",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-06T15:58:29.167187Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-06T16:00:14.553Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Proxygen",
          "vendor": "Facebook",
          "versions": [
            {
              "status": "affected",
              "version": "v2018.12.31.00"
            },
            {
              "lessThan": "v2018.12.31.00",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "dateAssigned": "2018-12-19T00:00:00.000Z",
      "datePublic": "2018-12-31T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 priority settings (specifically a circular dependency). This affects Proxygen prior to v2018.12.31.00."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "Denial of Service (CWE-400)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-31T21:57:01.000Z",
        "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
        "shortName": "facebook"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/facebook/proxygen/commit/52cf331743ebd74194d6343a6c2ec52bb917c982"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve-assign@fb.com",
          "DATE_ASSIGNED": "2018-12-19",
          "ID": "CVE-2018-6346",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Proxygen",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "!=\u003e",
                            "version_value": "v2018.12.31.00"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "v2018.12.31.00"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Facebook"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 priority settings (specifically a circular dependency). This affects Proxygen prior to v2018.12.31.00."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service (CWE-400)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/facebook/proxygen/commit/52cf331743ebd74194d6343a6c2ec52bb917c982",
              "refsource": "MISC",
              "url": "https://github.com/facebook/proxygen/commit/52cf331743ebd74194d6343a6c2ec52bb917c982"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
    "assignerShortName": "facebook",
    "cveId": "CVE-2018-6346",
    "datePublished": "2018-12-31T22:00:00.000Z",
    "dateReserved": "2018-01-26T00:00:00.000Z",
    "dateUpdated": "2025-05-06T16:00:14.553Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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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CNVD-2019-00956

CVE-2018-6346 (GCVE-0-2018-6346)

Tags

Sightings

Nomenclature

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