gsd-2018-8778
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2018-8778",
    "description": "In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.",
    "id": "GSD-2018-8778",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-8778.html",
      "https://www.debian.org/security/2018/dsa-4259",
      "https://access.redhat.com/errata/RHSA-2020:2288",
      "https://access.redhat.com/errata/RHSA-2020:2212",
      "https://access.redhat.com/errata/RHSA-2020:1963",
      "https://access.redhat.com/errata/RHSA-2019:2028",
      "https://access.redhat.com/errata/RHSA-2018:3731",
      "https://access.redhat.com/errata/RHSA-2018:3730",
      "https://access.redhat.com/errata/RHSA-2018:3729",
      "https://ubuntu.com/security/CVE-2018-8778",
      "https://advisories.mageia.org/CVE-2018-8778.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2018-8778.html",
      "https://linux.oracle.com/cve/CVE-2018-8778.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
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        "CVE-2018-8778"
      ],
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      "id": "GSD-2018-8778",
      "modified": "2023-12-13T01:22:34.158921Z",
      "schema_version": "1.4.0"
    }
  },
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2019-10-03T00:03Z",
      "publishedDate": "2018-04-03T22:29Z"
    }
  }
}


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