{
  "id": "CVE-2017-17434",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2017-12-06T03:29:00.267",
  "lastModified": "2024-11-21T03:17:56.020",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The daemon in rsync 3.1.2, and 3.1.3-development before 2017-12-03, does not check for fnamecmp filenames in the daemon_filter_list data structure (in the recv_files function in receiver.c) and also does not apply the sanitize_paths protection mechanism to pathnames found in \"xname follows\" strings (in the read_ndx_and_attrs function in rsync.c), which allows remote attackers to bypass intended access restrictions."
    },
    {
      "lang": "es",
      "value": "El demonio en rsync 3.1.2 y 3.1.3-development en versiones anteriores a la 2017-11-03 no busca nombres de archivo fnamecmp en la estructura de datos daemon_filter_list (en la funci\u00f3n recv_files en receiver.c) y tampoco aplica el mecanismo de protecci\u00f3n sanitize_paths a los nombres de ruta hallados en cadenas \"xname follows\" (en la funci\u00f3n read_ndx_and_attrs en rsync.c). Esto permite que atacantes remotos omitan las restricciones de acceso planeadas."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "3.1.2",
              "matchCriteriaId": "F490A8DC-BDAF-4AD0-95E3-F98D5BDA75B9"
            }
          ]
        }
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    },
    {
      "nodes": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            }
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      ]
    }
  ],
  "references": [
    {
      "url": "http://security.cucumberlinux.com/security/details.php?id=170",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://git.samba.org/?p=rsync.git%3Ba=commit%3Bh=5509597decdbd7b91994210f700329d8a35e70a1",
      "source": "cve@mitre.org"
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    {
      "url": "https://git.samba.org/?p=rsync.git%3Ba=commit%3Bh=70aeb5fddd1b2f8e143276f8d5a085db16c593b9",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00020.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.debian.org/security/2017/dsa-4068",
      "source": "cve@mitre.org",
      "tags": [
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    },
    {
      "url": "http://security.cucumberlinux.com/security/details.php?id=170",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://git.samba.org/?p=rsync.git%3Ba=commit%3Bh=70aeb5fddd1b2f8e143276f8d5a085db16c593b9",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.debian.org/security/2017/dsa-4068",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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}