CVE-2017-0377

Published Jul 2, 2017

Last updated 7 years ago

Overview

Description: 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.
Source: security@debian.org
NVD status: Analyzed

Risk scores

CVSS 3.0

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: HIGH

CVSS 2.0

Type: Primary
Base score: 5
Impact score: 2.9
Exploitability score: 10
Vector string: AV:N/AC:L/Au:N/C:P/I:N/A:N

Weaknesses

nvd@nist.gov: CWE-200

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:torproject:tor:0.3.0.1:alpha:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "C7722805-17F9-4215-81B9-E30EE016778B"
          },
          {
            "criteria": "cpe:2.3:a:torproject:tor:0.3.0.2:alpha:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "028D39E2-0968-4B98-A9E4-60B51440175F"
          },
          {
            "criteria": "cpe:2.3:a:torproject:tor:0.3.0.3:alpha:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "8FB26D60-528A-4E06-84A9-8B86143307DA"
          },
          {
            "criteria": "cpe:2.3:a:torproject:tor:0.3.0.4:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "D60F7D93-611B-43F8-A3EE-874A34F912A1"
          },
          {
            "criteria": "cpe:2.3:a:torproject:tor:0.3.0.5:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1B332C5B-1762-48BA-BD3E-7DD2CC01F65C"
          },
          {
            "criteria": "cpe:2.3:a:torproject:tor:0.3.0.6:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "0B815A38-5CE8-4BF3-AE6F-C11CACDBFA75"
          },
          {
            "criteria": "cpe:2.3:a:torproject:tor:0.3.0.7:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "DF6364CA-DBDA-4626-90A9-FF06A0E08619"
          },
          {
            "criteria": "cpe:2.3:a:torproject:tor:0.3.0.8:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "2CA71B4E-8EF4-41D4-AE30-F643D2916209"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Risk scores

CVSS 3.0

CVSS 2.0

Weaknesses

Social media

Configurations

References