gsd-2023-37475
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Hamba avro is a go lang encoder/decoder implementation of the avro codec specification. In affected versions a well-crafted string passed to avro's `github.com/hamba/avro/v2.Unmarshal()` can throw a `fatal error: runtime: out of memory` which is unrecoverable and can cause denial of service of the consumer of avro. The root cause of the issue is that avro uses part of the input to `Unmarshal()` to determine the size when creating a new slice and hence an attacker may consume arbitrary amounts of memory which in turn may cause the application to crash. This issue has been addressed in commit `b4a402f4` which has been included in release version `2.13.0`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Aliases
Aliases
CVE-2023-37475


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-37475",
    "id": "GSD-2023-37475"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-37475"
      ],
      "details": "Hamba avro is a go lang encoder/decoder implementation of the avro codec specification. In affected versions a well-crafted string passed to avro\u0027s `github.com/hamba/avro/v2.Unmarshal()` can throw a `fatal error: runtime: out of memory` which is unrecoverable and can cause denial of service of the consumer of avro. The root cause of the issue is that avro uses part of the input to `Unmarshal()` to determine the size when creating a new slice and hence an attacker may consume arbitrary amounts of memory which in turn may cause the application to crash. This issue has been addressed in commit `b4a402f4` which has been included in release version `2.13.0`. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
      "id": "GSD-2023-37475",
      "modified": "2023-12-13T01:20:24.800632Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-37475",
        "STATE": "PUBLIC"
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      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "avro",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003c 2.13.0"
                        }
                      ]
                    }
                  }
                ]
              },
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            }
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      },
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      "data_type": "CVE",
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      "description": {
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            "value": "Hamba avro is a go lang encoder/decoder implementation of the avro codec specification. In affected versions a well-crafted string passed to avro\u0027s `github.com/hamba/avro/v2.Unmarshal()` can throw a `fatal error: runtime: out of memory` which is unrecoverable and can cause denial of service of the consumer of avro. The root cause of the issue is that avro uses part of the input to `Unmarshal()` to determine the size when creating a new slice and hence an attacker may consume arbitrary amounts of memory which in turn may cause the application to crash. This issue has been addressed in commit `b4a402f4` which has been included in release version `2.13.0`. Users are advised to upgrade. There are no known workarounds for this vulnerability."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        ]
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      "problemtype": {
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                "cweId": "CWE-400",
                "lang": "eng",
                "value": "CWE-400: Uncontrolled Resource Consumption"
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      },
      "references": {
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            "url": "https://github.com/hamba/avro/commit/b4a402f41cf44b6094b5131286830ba9bb1eb290"
          }
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      },
      "source": {
        "advisory": "GHSA-9x44-9pgq-cf45",
        "discovery": "UNKNOWN"
      }
    },
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        {
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          "affected_versions": "All versions before 2.13.0",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "date": "2023-07-27",
          "description": "Hamba avro is a go lang encoder/decoder implementation of the avro codec specification. In affected versions a well-crafted string passed to avro\u0027s `github.com/hamba/avro/v2.Unmarshal()` can throw a `fatal error: runtime: out of memory` which is unrecoverable and can cause denial of service of the consumer of avro. The root cause of the issue is that avro uses part of the input to `Unmarshal()` to determine the size when creating a new slice and hence an attacker may consume arbitrary amounts of memory which in turn may cause the application to crash. This issue has been addressed in commit `b4a402f4` which has been included in release version `2.13.0`. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
          "fixed_versions": [
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          ],
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          "identifiers": [
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            "CVE-2023-37475"
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          "not_impacted": "All versions starting from 2.13.0",
          "package_slug": "go/github.com/hamba/avro",
          "pubdate": "2023-07-17",
          "solution": "Upgrade to version 2.13.0 or above.",
          "title": "Uncontrolled Resource Consumption",
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            "https://github.com/hamba/avro/blob/3abfe1e6382c5dccf2e1a00260c51a64bc1f1ca1/reader.go#L216-L242",
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          "uuid": "70e2e4d1-4a21-46d4-b609-2d314355ba2d",
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          "date": "2023-07-26",
          "description": "Hamba avro is a go lang encoder/decoder implementation of the avro codec specification. In affected versions a well-crafted string passed to avro\u0027s `github.com/hamba/avro/v2.Unmarshal()` can throw a `fatal error: runtime: out of memory` which is unrecoverable and can cause denial of service of the consumer of avro. The root cause of the issue is that avro uses part of the input to `Unmarshal()` to determine the size when creating a new slice and hence an attacker may consume arbitrary amounts of memory which in turn may cause the application to crash. This issue has been addressed in commit `b4a402f4` which has been included in release version `2.13.0`. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
          "fixed_versions": [
            "v2.13.0"
          ],
          "identifier": "CVE-2023-37475",
          "identifiers": [
            "CVE-2023-37475",
            "GHSA-9x44-9pgq-cf45"
          ],
          "not_impacted": "",
          "package_slug": "go/github.com/hamba/avro/security/v2",
          "pubdate": "2023-07-17",
          "solution": "Upgrade to version 2.13.0 or above.",
          "title": "Uncontrolled Resource Consumption",
          "urls": [
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            "https://github.com/hamba/avro/commit/b4a402f41cf44b6094b5131286830ba9bb1eb290",
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          "uuid": "de788623-63f0-40d2-a60b-da7a7f6aba4c",
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            {
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                "sha": "b4a402f41cf44b6094b5131286830ba9bb1eb290",
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          ],
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          "package_slug": "go/github.com/hamba/avro/v2",
          "pubdate": "2023-07-17",
          "solution": "Upgrade to version 2.13.0 or above.",
          "title": "Uncontrolled Resource Consumption",
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            "https://github.com/hamba/avro/blob/3abfe1e6382c5dccf2e1a00260c51a64bc1f1ca1/reader.go#L216-L242",
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            "https://github.com/advisories/GHSA-9x44-9pgq-cf45"
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                ],
                "timestamp": "20230716172209"
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            "cpe_match": [
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      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-07-26T21:35Z",
      "publishedDate": "2023-07-17T17:15Z"
    }
  }
}


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