gsd-2020-11612
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2020-11612",
    "description": "The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.",
    "id": "GSD-2020-11612",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-11612.html",
      "https://www.debian.org/security/2021/dsa-4885",
      "https://access.redhat.com/errata/RHSA-2021:1313",
      "https://access.redhat.com/errata/RHSA-2020:5568",
      "https://access.redhat.com/errata/RHSA-2020:4252",
      "https://access.redhat.com/errata/RHSA-2020:3779",
      "https://access.redhat.com/errata/RHSA-2020:3626",
      "https://access.redhat.com/errata/RHSA-2020:3585",
      "https://access.redhat.com/errata/RHSA-2020:3501",
      "https://access.redhat.com/errata/RHSA-2020:3464",
      "https://access.redhat.com/errata/RHSA-2020:3463",
      "https://access.redhat.com/errata/RHSA-2020:3462",
      "https://access.redhat.com/errata/RHSA-2020:3461",
      "https://access.redhat.com/errata/RHSA-2020:3197",
      "https://access.redhat.com/errata/RHSA-2020:3196",
      "https://access.redhat.com/errata/RHSA-2020:3133",
      "https://access.redhat.com/errata/RHSA-2020:2751",
      "https://access.redhat.com/errata/RHSA-2020:2618",
      "https://access.redhat.com/errata/RHSA-2020:2605",
      "https://access.redhat.com/errata/RHSA-2020:1538",
      "https://access.redhat.com/errata/RHSA-2020:1422",
      "https://ubuntu.com/security/CVE-2020-11612"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-11612"
      ],
      "details": "The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.",
      "id": "GSD-2020-11612",
      "modified": "2023-12-13T01:22:05.320792Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-11612",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
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            "name": "[druid-commits] 20200408 [GitHub] [druid] ccaominh opened a new pull request #9651: Upgrade netty 4 to fix CVE-2020-11612",
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            "name": "[pulsar-commits] 20200416 [GitHub] [pulsar] massakam opened a new pull request #6746: [build] Bump netty version to 4.1.48.Final",
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            "name": "[debian-lts-announce] 20200904 [SECURITY] [DLA 2364-1] netty security update",
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            "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00003.html"
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            "name": "[flink-issues] 20200910 [jira] [Created] (FLINK-19195) question on security vulnerabilities in flink",
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            "name": "[pulsar-commits] 20210120 [GitHub] [pulsar] fmiguelez opened a new issue #9249: Upgrade Netty dependency in broker to solve vulnerabilities: CVE-2019-16869, CVE-2020-11612, CVE-2019-20445, CVE-2019-20444",
            "refsource": "MLIST",
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            "name": "[pulsar-commits] 20210121 [GitHub] [pulsar] hpvd commented on issue #9249: Upgrade Netty dependency in broker to solve vulnerabilities: CVE-2019-16869, CVE-2020-11612, CVE-2019-20445, CVE-2019-20444",
            "refsource": "MLIST",
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          {
            "name": "[pulsar-commits] 20210122 [GitHub] [pulsar] hpvd commented on issue #9249: Upgrade Netty dependency in broker to solve vulnerabilities: CVE-2019-16869, CVE-2020-11612, CVE-2019-20445, CVE-2019-20444",
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    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,0)",
          "affected_versions": "None",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-400",
            "CWE-937"
          ],
          "date": "2020-12-23",
          "description": "This advisory has been marked as a false positive.",
          "fixed_versions": [],
          "identifier": "CVE-2020-11612",
          "identifiers": [
            "CVE-2020-11612"
          ],
          "not_impacted": "",
          "package_slug": "maven/io.netty/netty-all",
          "pubdate": "2020-04-07",
          "solution": "Nothing to be done.",
          "title": "Improper Restriction of Operations within the Bounds of a Memory Buffer",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-11612"
          ],
          "uuid": "959c5b79-9095-4559-ba91-ed0d77284822"
        },
        {
          "affected_range": "[4.1,4.1.46)",
          "affected_versions": "All versions starting from 4.1 before 4.1.46",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-400",
            "CWE-937"
          ],
          "date": "2021-07-21",
          "description": "The ZlibDecoders in Netty allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.",
          "fixed_versions": [
            "4.1.46.Final"
          ],
          "identifier": "CVE-2020-11612",
          "identifiers": [
            "CVE-2020-11612"
          ],
          "not_impacted": "All versions before 4.1, all versions starting from 4.1.46",
          "package_slug": "maven/io.netty/netty-codec-http2",
          "pubdate": "2020-04-07",
          "solution": "Upgrade to version 4.1.46.Final or above.",
          "title": "Uncontrolled Resource Consumption",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-11612"
          ],
          "uuid": "e9f80f4a-b625-4017-9501-2cd894e64c4c"
        },
        {
          "affected_range": "[4.1,4.1.46)",
          "affected_versions": "All versions starting from 4.1 before 4.1.46",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "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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          "package_slug": "maven/io.netty/netty-codec",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "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": "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"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-04-26T17:05Z",
      "publishedDate": "2020-04-07T18:15Z"
    }
  }
}


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