GSD-2017-0902

Vulnerability from gsd - Updated: 2017-08-29 00:00
Details
RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to down load and install gems from a server that the attacker controls.
Aliases
Aliases
CVE-2017-0902
To clipboard 

{
  "GSD": {
    "alias": "CVE-2017-0902",
    "description": "RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.",
    "id": "GSD-2017-0902",
    "references": [
      "https://www.suse.com/security/cve/CVE-2017-0902.html",
      "https://www.debian.org/security/2017/dsa-3966",
      "https://access.redhat.com/errata/RHSA-2018:0585",
      "https://access.redhat.com/errata/RHSA-2018:0583",
      "https://access.redhat.com/errata/RHSA-2018:0378",
      "https://access.redhat.com/errata/RHSA-2017:3485",
      "https://ubuntu.com/security/CVE-2017-0902",
      "https://advisories.mageia.org/CVE-2017-0902.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2017-0902.html",
      "https://linux.oracle.com/cve/CVE-2017-0902.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "rubygems-update",
            "purl": "pkg:gem/rubygems-update"
          }
        }
      ],
      "aliases": [
        "CVE-2017-0902",
        "GHSA-73w7-6w9g-gc8w"
      ],
      "details": "RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking\nvulnerability that allows a MITM attacker to force the RubyGems client to\ndown load and install gems from a server that the attacker controls.\n",
      "id": "GSD-2017-0902",
      "modified": "2017-08-29T00:00:00.000Z",
      "published": "2017-08-29T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://blog.rubygems.org/2017/08/27/2.6.13-released.html"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
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          "score": 6.8,
          "type": "CVSS_V2"
        },
        {
          "score": 8.1,
          "type": "CVSS_V3"
        }
      ],
      "summary": "RubyGems DNS request hijacking vulnerability"
    }
  },
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      "affects": {
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                "value": "Reliance on Reverse DNS Resolution for a Security-Critical Action (CWE-350)"
              }
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    },
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      "cve": "2017-0902",
      "cvss_v2": 6.8,
      "cvss_v3": 8.1,
      "date": "2017-08-29",
      "description": "RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking\nvulnerability that allows a MITM attacker to force the RubyGems client to\ndown load and install gems from a server that the attacker controls.\n",
      "gem": "rubygems-update",
      "ghsa": "73w7-6w9g-gc8w",
      "library": "rubygems",
      "patched_versions": [
        "\u003e= 2.4.5.3",
        "\u003e= 2.5.2.1",
        "\u003e= 2.6.13"
      ],
      "title": "RubyGems DNS request hijacking vulnerability",
      "url": "https://blog.rubygems.org/2017/08/27/2.6.13-released.html"
    },
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          "affected_versions": "All versions up to 2.6.12",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-346",
            "CWE-937"
          ],
          "date": "2019-10-09",
          "description": "RubyGems is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.",
          "fixed_versions": [
            "2.6.13"
          ],
          "identifier": "CVE-2017-0902",
          "identifiers": [
            "CVE-2017-0902"
          ],
          "not_impacted": "All versions after 2.6.12",
          "package_slug": "gem/rubygems-update",
          "pubdate": "2017-08-31",
          "solution": "Upgrade to version 2.6.13 or above.",
          "title": "Origin Validation Error",
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2019-10-09T23:21Z",
      "publishedDate": "2017-08-31T20:29Z"
    }
  }
}



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