GSD-2021-26109

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.
Aliases
Aliases
CVE-2021-26109
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{
  "GSD": {
    "alias": "CVE-2021-26109",
    "description": "An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.",
    "id": "GSD-2021-26109"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-26109"
      ],
      "details": "An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.",
      "id": "GSD-2021-26109",
      "modified": "2023-12-13T01:23:33.026369Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-26109",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Fortinet FortiOS",
                    "version": {
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                        {
                          "version_value": "FortiOS before 7.0.1"
                        }
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          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "High",
          "attackVector": "Network",
          "availabilityImpact": "High",
          "baseScore": 7.7,
          "baseSeverity": "High",
          "confidentialityImpact": "High",
          "integrityImpact": "High",
          "privilegesRequired": "None",
          "scope": "Unchanged",
          "userInteraction": "None",
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            "name": "https://fortiguard.com/advisory/FG-IR-21-049",
            "refsource": "CONFIRM",
            "url": "https://fortiguard.com/advisory/FG-IR-21-049"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "6.0.12",
                "versionStartIncluding": "6.0.0",
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                "versionEndIncluding": "6.4.5",
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            }
          ]
        },
        "problemtype": {
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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",
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          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
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      },
      "lastModifiedDate": "2021-12-09T20:52Z",
      "publishedDate": "2021-12-08T13:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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