GSD-2022-33896

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.
Aliases
Aliases
CVE-2022-33896
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{
  "GSD": {
    "alias": "CVE-2022-33896",
    "description": "A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.",
    "id": "GSD-2022-33896"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-33896"
      ],
      "details": "A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.",
      "id": "GSD-2022-33896",
      "modified": "2023-12-13T01:19:23.993461Z",
      "schema_version": "1.4.0"
    }
  },
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        "ASSIGNER": "talos-cna@cisco.com",
        "DATE_PUBLIC": "2022-10-04",
        "ID": "CVE-2022-33896",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Hancom Office 2020",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Hancom Office 2020 11.0.0.5357"
                        }
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                    }
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          }
        ]
      },
      "impact": {
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          "baseScore": 7.8,
          "baseSeverity": "High",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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            "description": [
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                "lang": "eng",
                "value": "CWE-124: Buffer Underwrite (\u0027Buffer Underflow\u0027)"
              }
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        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574",
            "refsource": "MISC",
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574"
          }
        ]
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:hancom:hancom_office_2020:11.0.0.5357:*:*:*:*:*:*:*",
                "cpe_name": [],
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            }
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      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-10-11T15:28Z",
      "publishedDate": "2022-10-07T15:15Z"
    }
  }
}



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