Vulnerability-Lookup

CNVD-2015-02240

Vulnerability from cnvd - Published: 2015-04-09

Title

Tor拒绝服务漏洞（CNVD-2015-02240）

Description

Tor是第二代洋葱路由的一种实现，用户通过Tor可以在因特网上进行匿名交流。 Tor存在拒绝服务漏洞，当解析精心构造隐藏服务描述符时，Tor客户端可以触发断言失败，造成服务不可用。

Severity

中

Patch Name

Tor拒绝服务漏洞（CNVD-2015-02240）的补丁

Patch Description

Tor是第二代洋葱路由的一种实现，用户通过Tor可以在因特网上进行匿名交流。Tor存在拒绝服务漏洞，当解析精心构造隐藏服务描述符时，Tor客户端可以触发断言失败，造成服务不可用。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://tor.eff.org/

Reference

https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2929

Impacted products

Name
Tor Tor

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2929"
    }
  },
  "description": "Tor\u662f\u7b2c\u4e8c\u4ee3\u6d0b\u8471\u8def\u7531\u7684\u4e00\u79cd\u5b9e\u73b0\uff0c\u7528\u6237\u901a\u8fc7Tor\u53ef\u4ee5\u5728\u56e0\u7279\u7f51\u4e0a\u8fdb\u884c\u533f\u540d\u4ea4\u6d41\u3002\r\n\r\nTor\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5f53\u89e3\u6790\u7cbe\u5fc3\u6784\u9020\u9690\u85cf\u670d\u52a1\u63cf\u8ff0\u7b26\u65f6\uff0cTor\u5ba2\u6237\u7aef\u53ef\u4ee5\u89e6\u53d1\u65ad\u8a00\u5931\u8d25\uff0c\u9020\u6210\u670d\u52a1\u4e0d\u53ef\u7528\u3002",
  "discovererName": "DonnchaC",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://tor.eff.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02240",
  "openTime": "2015-04-09",
  "patchDescription": "Tor\u662f\u7b2c\u4e8c\u4ee3\u6d0b\u8471\u8def\u7531\u7684\u4e00\u79cd\u5b9e\u73b0\uff0c\u7528\u6237\u901a\u8fc7Tor\u53ef\u4ee5\u5728\u56e0\u7279\u7f51\u4e0a\u8fdb\u884c\u533f\u540d\u4ea4\u6d41\u3002Tor\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5f53\u89e3\u6790\u7cbe\u5fc3\u6784\u9020\u9690\u85cf\u670d\u52a1\u63cf\u8ff0\u7b26\u65f6\uff0cTor\u5ba2\u6237\u7aef\u53ef\u4ee5\u89e6\u53d1\u65ad\u8a00\u5931\u8d25\uff0c\u9020\u6210\u670d\u52a1\u4e0d\u53ef\u7528\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": "Tor\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-02240\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Tor Tor"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2929",
  "serverity": "\u4e2d",
  "submitTime": "2015-04-08",
  "title": "Tor\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-02240\uff09"
}

CVE-2015-2929 (GCVE-0-2015-2929)

Vulnerability from cvelistv5 – Published: 2020-01-24 17:22 – Updated: 2024-08-06 05:32

Summary

The Hidden Service (HS) client implementation in Tor before 0.2.4.27, 0.2.5.x before 0.2.5.12, and 0.2.6.x before 0.2.6.7 allows remote servers to cause a denial of service (assertion failure and application exit) via a malformed HS descriptor.

Severity

No CVSS data available.

CWE

Denial of Service - Malformed Input

Assigner

debian mitre root

References

2 references

URL	Tags
http://openwall.com/lists/oss-security/2015/04/06/5	x_refsource_MISC
https://trac.torproject.org/projects/tor/ticket/15601	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
The Tor Project	Tor	Affected: before 0.2.4.27 Affected: 0.2.5.x before 0.2.5.12 Affected: 0.2.6.x before 0.2.6.7

Date Public

2015-04-06 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T05:32:20.617Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://openwall.com/lists/oss-security/2015/04/06/5"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://trac.torproject.org/projects/tor/ticket/15601"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Tor",
          "vendor": "The Tor Project",
          "versions": [
            {
              "status": "affected",
              "version": "before 0.2.4.27"
            },
            {
              "status": "affected",
              "version": "0.2.5.x before 0.2.5.12"
            },
            {
              "status": "affected",
              "version": "0.2.6.x before 0.2.6.7"
            }
          ]
        }
      ],
      "datePublic": "2015-04-06T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Hidden Service (HS) client implementation in Tor before 0.2.4.27, 0.2.5.x before 0.2.5.12, and 0.2.6.x before 0.2.6.7 allows remote servers to cause a denial of service (assertion failure and application exit) via a malformed HS descriptor."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial of Service - Malformed Input",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-24T17:22:27.000Z",
        "orgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
        "shortName": "debian"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://openwall.com/lists/oss-security/2015/04/06/5"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://trac.torproject.org/projects/tor/ticket/15601"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@debian.org",
          "ID": "CVE-2015-2929",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Tor",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "before 0.2.4.27"
                          },
                          {
                            "version_value": "0.2.5.x before 0.2.5.12"
                          },
                          {
                            "version_value": "0.2.6.x before 0.2.6.7"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "The Tor Project"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The Hidden Service (HS) client implementation in Tor before 0.2.4.27, 0.2.5.x before 0.2.5.12, and 0.2.6.x before 0.2.6.7 allows remote servers to cause a denial of service (assertion failure and application exit) via a malformed HS descriptor."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service - Malformed Input"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://openwall.com/lists/oss-security/2015/04/06/5",
              "refsource": "MISC",
              "url": "http://openwall.com/lists/oss-security/2015/04/06/5"
            },
            {
              "name": "https://trac.torproject.org/projects/tor/ticket/15601",
              "refsource": "MISC",
              "url": "https://trac.torproject.org/projects/tor/ticket/15601"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
    "assignerShortName": "debian",
    "cveId": "CVE-2015-2929",
    "datePublished": "2020-01-24T17:22:27.000Z",
    "dateReserved": "2015-04-06T00:00:00.000Z",
    "dateUpdated": "2024-08-06T05:32:20.617Z",
    "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.

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.

Action not permitted

CNVD-2015-02240

CVE-2015-2929 (GCVE-0-2015-2929)

Tags

Sightings

Nomenclature

Related by attack behaviour