gsd-2017-18922
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2017-18922",
    "description": "It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.",
    "id": "GSD-2017-18922",
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      "https://www.suse.com/security/cve/CVE-2017-18922.html",
      "https://access.redhat.com/errata/RHSA-2020:3588",
      "https://access.redhat.com/errata/RHSA-2020:3456",
      "https://access.redhat.com/errata/RHSA-2020:3385",
      "https://access.redhat.com/errata/RHSA-2020:3281",
      "https://ubuntu.com/security/CVE-2017-18922",
      "https://linux.oracle.com/cve/CVE-2017-18922.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "id": "GSD-2017-18922",
      "modified": "2023-12-13T01:21:10.824045Z",
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
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          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
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      },
      "lastModifiedDate": "2022-04-01T18:08Z",
      "publishedDate": "2020-06-30T11:15Z"
    }
  }
}


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