Vulnerability-Lookup

CNVD-2016-00807

Vulnerability from cnvd - Published: 2016-01-29

Title

WolfSSL拒绝服务漏洞

Description

WolfSSL（前称CyaSSL）是美国WolfSSL公司的一个针对嵌入式系统开发人员使用的小的、可移植的嵌入式SSL编程库。 WolfSSL 3.6.8之前版本中存在安全漏洞。远程攻击者可借助ClientHello消息中特制的DTLS cookie利用该漏洞造成拒绝服务（资源消耗或流量放大）。

Severity

中

Patch Name

WolfSSL拒绝服务漏洞的补丁

Patch Description

WolfSSL（前称CyaSSL）是美国WolfSSL公司的一个针对嵌入式系统开发人员使用的小的、可移植的嵌入式SSL编程库。 WolfSSL 3.6.8之前版本中存在安全漏洞。远程攻击者可借助ClientHello消息中特制的DTLS cookie利用该漏洞造成拒绝服务（资源消耗或流量放大）。目前，厂商已经发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html

Reference

http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html

Impacted products

Name
wolfSSL Inc. WolfSSL <3.6.8

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-6925"
    }
  },
  "description": "WolfSSL\uff08\u524d\u79f0CyaSSL\uff09\u662f\u7f8e\u56fdWolfSSL\u516c\u53f8\u7684\u4e00\u4e2a\u9488\u5bf9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u7684\u5c0f\u7684\u3001\u53ef\u79fb\u690d\u7684\u5d4c\u5165\u5f0fSSL\u7f16\u7a0b\u5e93\u3002\r\n\r\nWolfSSL 3.6.8\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9ClientHello\u6d88\u606f\u4e2d\u7279\u5236\u7684DTLS cookie\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d44\u6e90\u6d88\u8017\u6216\u6d41\u91cf\u653e\u5927\uff09\u3002",
  "discovererName": "WolfSSL",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00807",
  "openTime": "2016-01-29",
  "patchDescription": "WolfSSL\uff08\u524d\u79f0CyaSSL\uff09\u662f\u7f8e\u56fdWolfSSL\u516c\u53f8\u7684\u4e00\u4e2a\u9488\u5bf9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u7684\u5c0f\u7684\u3001\u53ef\u79fb\u690d\u7684\u5d4c\u5165\u5f0fSSL\u7f16\u7a0b\u5e93\u3002\r\n\r\nWolfSSL 3.6.8\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9ClientHello\u6d88\u606f\u4e2d\u7279\u5236\u7684DTLS cookie\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d44\u6e90\u6d88\u8017\u6216\u6d41\u91cf\u653e\u5927\uff09\u3002\u76ee\u524d\uff0c\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "WolfSSL\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "wolfSSL Inc. WolfSSL \u003c3.6.8"
  },
  "referenceLink": "http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html",
  "serverity": "\u4e2d",
  "submitTime": "2016-01-28",
  "title": "WolfSSL\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-6925 (GCVE-0-2015-6925)

Vulnerability from cvelistv5 – Published: 2016-01-22 15:00 – Updated: 2024-08-06 07:36

Summary

wolfSSL (formerly CyaSSL) before 3.6.8 allows remote attackers to cause a denial of service (resource consumption or traffic amplification) via a crafted DTLS cookie in a ClientHello message.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html	x_refsource_CONFIRM
https://github.com/IAIK/wolfSSL-DoS	x_refsource_MISC
https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/1…	x_refsource_CONFIRM

Date Public

2015-09-17 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T07:36:34.387Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/IAIK/wolfSSL-DoS"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-09-17T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "wolfSSL (formerly CyaSSL) before 3.6.8 allows remote attackers to cause a denial of service (resource consumption or traffic amplification) via a crafted DTLS cookie in a ClientHello message."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-01-22T14:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/IAIK/wolfSSL-DoS"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2015-6925",
          "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": "wolfSSL (formerly CyaSSL) before 3.6.8 allows remote attackers to cause a denial of service (resource consumption or traffic amplification) via a crafted DTLS cookie in a ClientHello message."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html",
              "refsource": "CONFIRM",
              "url": "http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html"
            },
            {
              "name": "https://github.com/IAIK/wolfSSL-DoS",
              "refsource": "MISC",
              "url": "https://github.com/IAIK/wolfSSL-DoS"
            },
            {
              "name": "https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html",
              "refsource": "CONFIRM",
              "url": "https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-6925",
    "datePublished": "2016-01-22T15:00:00.000Z",
    "dateReserved": "2015-09-12T00:00:00.000Z",
    "dateUpdated": "2024-08-06T07:36:34.387Z",
    "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.

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.

Action not permitted

CNVD-2016-00807

CVE-2015-6925 (GCVE-0-2015-6925)

Tags

Sightings

Nomenclature