fkie_cve-2012-3519
Vulnerability from fkie_nvd
Published
2012-08-26 03:17
Modified
2025-04-11 00:51
Severity ?
Summary
routerlist.c in Tor before 0.2.2.38 uses a different amount of time for relay-list iteration depending on which relay is chosen, which might allow remote attackers to obtain sensitive information about relay selection via a timing side-channel attack.
Impacted products
Vendor Product Version
tor tor *



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D87D8965-CE3A-457E-AD9D-C8EE68F538A4",
              "versionEndIncluding": "0.2.2.37",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "routerlist.c in Tor before 0.2.2.38 uses a different amount of time for relay-list iteration depending on which relay is chosen, which might allow remote attackers to obtain sensitive information about relay selection via a timing side-channel attack."
    },
    {
      "lang": "es",
      "value": "routerlist.c en Tor anterior a v0.2.2.38 utiliza una cantidad diferente de tiempo para la iteraci\u00f3n relay-list dependiendo de que (relay) sea elegido, lo cual podr\u00eda permitir a atacantes remotos obtener informaci\u00f3n sensible sobre la selecci\u00f3n del (relay) a trav\u00e9s de un ataque de tiempo al canal lateral (timing side-channel attack)."
    }
  ],
  "id": "CVE-2012-3519",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-08-26T03:17:44.153",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://openwall.com/lists/oss-security/2012/08/21/6"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/50583"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://security.gentoo.org/glsa/glsa-201301-03.xml"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://gitweb.torproject.org/tor.git/commit/308f6dad20675c42b29862f4269ad1fbfb00dc9a"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://gitweb.torproject.org/tor.git/commit/d48cebc5e498b0ae673635f40fc57cdddab45d5b"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://trac.torproject.org/projects/tor/ticket/6537"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://openwall.com/lists/oss-security/2012/08/21/6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/50583"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://security.gentoo.org/glsa/glsa-201301-03.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://gitweb.torproject.org/tor.git/commit/308f6dad20675c42b29862f4269ad1fbfb00dc9a"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://gitweb.torproject.org/tor.git/commit/d48cebc5e498b0ae673635f40fc57cdddab45d5b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://trac.torproject.org/projects/tor/ticket/6537"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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