cnvd - cnvd-2017-18108

cnvd-2017-18108

Vulnerability from cnvd

Title: Tor防护选择算法漏洞

Description:

Tor是实现匿名通信的自由软件。

Tor 0.3.0.9之前0.3.x版本存在防护选择算法漏洞。远程攻击者可利用该漏洞攻破预期的匿名属性。

Severity: 中

Patch Name: Tor防护选择算法漏洞的补丁

Patch Description:

Tor是实现匿名通信的自由软件。

Tor 0.3.0.9之前0.3.x版本存在防护选择算法漏洞。远程攻击者可利用该漏洞攻破预期的匿名属性。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:

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://blog.torproject.org/blog/tor-0314-alpha-released-security-update-clients

Reference: https://blog.torproject.org/blog/tor-0314-alpha-released-security-update-clients https://nvd.nist.gov/vuln/detail/CVE-2017-0377

Impacted products

Name
Tor Tor 0.3.*，<0.3.0.9

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-0377"
    }
  },
  "description": "Tor\u662f\u5b9e\u73b0\u533f\u540d\u901a\u4fe1\u7684\u81ea\u7531\u8f6f\u4ef6\u3002\r\n\r\nTor 0.3.0.9\u4e4b\u524d0.3.x\u7248\u672c\u5b58\u5728\u9632\u62a4\u9009\u62e9\u7b97\u6cd5\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u653b\u7834\u9884\u671f\u7684\u533f\u540d\u5c5e\u6027\u3002",
  "discovererName": "nickm",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://blog.torproject.org/blog/tor-0314-alpha-released-security-update-clients",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-18108",
  "openTime": "2017-08-02",
  "patchDescription": "Tor\u662f\u5b9e\u73b0\u533f\u540d\u901a\u4fe1\u7684\u81ea\u7531\u8f6f\u4ef6\u3002\r\n\r\nTor 0.3.0.9\u4e4b\u524d0.3.x\u7248\u672c\u5b58\u5728\u9632\u62a4\u9009\u62e9\u7b97\u6cd5\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u653b\u7834\u9884\u671f\u7684\u533f\u540d\u5c5e\u6027\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\u9632\u62a4\u9009\u62e9\u7b97\u6cd5\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Tor Tor 0.3.*\uff0c\u003c0.3.0.9"
  },
  "referenceLink": "https://blog.torproject.org/blog/tor-0314-alpha-released-security-update-clients\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-0377",
  "serverity": "\u4e2d",
  "submitTime": "2017-07-03",
  "title": "Tor\u9632\u62a4\u9009\u62e9\u7b97\u6cd5\u6f0f\u6d1e"
}

CVE-2017-0377 (GCVE-0-2017-0377)

Vulnerability from cvelistv5

Published

2017-07-02 15:00

Modified

2024-08-05 13:03

Severity ?

CWE

privacy bypass

Summary

Tor 0.3.x before 0.3.0.9 has a guard-selection algorithm that only considers the exit relay (not the exit relay's family), which might allow remote attackers to defeat intended anonymity properties by leveraging the existence of large families.

References

▼	URL	Tags
	https://trac.torproject.org/projects/tor/ticket/22753	x_refsource_CONFIRM
	https://security-tracker.debian.org/CVE-2017-0377	x_refsource_CONFIRM
	https://blog.torproject.org/blog/tor-0309-released-security-update-clients	x_refsource_CONFIRM
	https://blog.torproject.org/blog/tor-0314-alpha-released-security-update-clients	x_refsource_CONFIRM
	https://github.com/torproject/tor/commit/665baf5ed5c6186d973c46cdea165c0548027350	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	Tor	Version: Tor

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-05T13:03:56.989Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://blog.torproject.org/blog/tor-0309-released-security-update-clients"
          },
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          },
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            ],
            "url": "https://github.com/torproject/tor/commit/665baf5ed5c6186d973c46cdea165c0548027350"
          }
        ],
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      }
    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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              "version": "Tor"
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "privacy bypass",
              "lang": "en",
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      ],
      "providerMetadata": {
        "dateUpdated": "2017-07-02T14:57:01",
        "orgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
        "shortName": "debian"
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      "references": [
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        },
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          ],
          "url": "https://security-tracker.debian.org/CVE-2017-0377"
        },
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          "url": "https://blog.torproject.org/blog/tor-0309-released-security-update-clients"
        },
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          "url": "https://blog.torproject.org/blog/tor-0314-alpha-released-security-update-clients"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/torproject/tor/commit/665baf5ed5c6186d973c46cdea165c0548027350"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
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        "problemtype": {
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            },
            {
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    "dateReserved": "2016-11-29T00:00:00",
    "dateUpdated": "2024-08-05T13:03:56.989Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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