fkie_cve-2016-0755
Vulnerability from fkie_nvd
Published
2016-01-29 20:59
Modified
2025-04-12 10:46
Summary
The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015.
References
secalert@redhat.comhttp://curl.haxx.se/docs/adv_20160127A.htmlVendor Advisory
secalert@redhat.comhttp://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html
secalert@redhat.comhttp://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html
secalert@redhat.comhttp://www.debian.org/security/2016/dsa-3455
secalert@redhat.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
secalert@redhat.comhttp://www.securityfocus.com/bid/82307
secalert@redhat.comhttp://www.securitytracker.com/id/1034882
secalert@redhat.comhttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-2882-1
secalert@redhat.comhttps://security.gentoo.org/glsa/201701-47
secalert@redhat.comhttps://support.apple.com/HT207170
af854a3a-2127-422b-91ae-364da2661108http://curl.haxx.se/docs/adv_20160127A.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3455
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/82307
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034882
af854a3a-2127-422b-91ae-364da2661108http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2882-1
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201701-47
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207170
Impacted products



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "70B94835-9FDC-4EFE-A37D-9BFCEFA12197",
              "versionEndIncluding": "7.46.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*",
              "matchCriteriaId": "F38D3B7E-8429-473F-BB31-FC3583EE5A5B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n ConnectionExists en lib/url.c en libcurl en versiones anteriores a 7.47.0 no reutiliza correctamente las conexiones proxy autenticadas por NTML, lo que podr\u00eda permitir a atacantes remotos autenticarse como otros usuarios a trav\u00e9s de una petici\u00f3n, un problema similar a CVE-2014-0015."
    }
  ],
  "id": "CVE-2016-0755",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-01-29T20:59:05.653",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://curl.haxx.se/docs/adv_20160127A.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.debian.org/security/2016/dsa-3455"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/82307"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securitytracker.com/id/1034882"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2016\u0026m=slackware-security.519965"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.ubuntu.com/usn/USN-2882-1"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://security.gentoo.org/glsa/201701-47"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://support.apple.com/HT207170"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://curl.haxx.se/docs/adv_20160127A.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2016/dsa-3455"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/82307"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034882"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2016\u0026m=slackware-security.519965"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.ubuntu.com/usn/USN-2882-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201701-47"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://support.apple.com/HT207170"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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