gsd-2022-38178
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.
Aliases
Aliases
CVE-2022-38178


To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-38178",
    "description": "By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.",
    "id": "GSD-2022-38178",
    "references": [
      "https://www.debian.org/security/2022/dsa-5235",
      "https://advisories.mageia.org/CVE-2022-38178.html",
      "https://access.redhat.com/errata/RHSA-2022:6763",
      "https://access.redhat.com/errata/RHSA-2022:6764",
      "https://access.redhat.com/errata/RHSA-2022:6765",
      "https://access.redhat.com/errata/RHSA-2022:6778",
      "https://access.redhat.com/errata/RHSA-2022:6779",
      "https://access.redhat.com/errata/RHSA-2022:6780",
      "https://access.redhat.com/errata/RHSA-2022:6781",
      "https://access.redhat.com/errata/RHSA-2022:8598",
      "https://www.suse.com/security/cve/CVE-2022-38178.html",
      "https://ubuntu.com/security/CVE-2022-38178",
      "https://security.archlinux.org/CVE-2022-38178"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-38178"
      ],
      "details": "By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.",
      "id": "GSD-2022-38178",
      "modified": "2023-12-13T01:19:22.347595Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-officer@isc.org",
        "DATE_PUBLIC": "2022-09-21T09:39:29.000Z",
        "ID": "CVE-2022-38178",
        "STATE": "PUBLIC",
        "TITLE": "Memory leaks in EdDSA DNSSEC verification code"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "BIND9",
                    "version": {
                      "version_data": [
                        {
                          "version_name": "Open Source Branch 9.9",
                          "version_value": "9.9.12 through versions up to and including 9.9.13"
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                        {
                          "version_name": "Open Source Branch 9.10",
                          "version_value": "9.10.7 through versions up to and including 9.10.8"
                        },
                        {
                          "version_name": "Open Source Branches 9.11 through 9.16",
                          "version_value": "9.11.3 through versions before 9.16.33"
                        },
                        {
                          "version_name": "Open Source Branch 9.18",
                          "version_value": "9.18.0 through versions before 9.18.7"
                        },
                        {
                          "version_name": "Supported Preview Branch 9.11-S",
                          "version_value": "9.11.4-S1 through versions up to and including 9.11.37-S1"
                        },
                        {
                          "version_name": "Supported Preview Branch 9.16-S",
                          "version_value": "9.16.8-S1 through versions before 9.16.33-S1"
                        },
                        {
                          "version_name": "Development Branch 9.19",
                          "version_value": "9.19.0 through versions before 9.19.5"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "ISC"
            }
          ]
        }
      },
      "credit": [],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources."
          }
        ]
      },
      "exploit": [
        {
          "lang": "eng",
          "value": "This flaw was discovered in internal testing. We are not aware of any active exploits."
        }
      ],
      "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"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "In BIND 9.9.12 -\u003e 9.9.13, 9.10.7 -\u003e 9.10.8, 9.11.3 -\u003e 9.16.32, 9.18.0 -\u003e 9.18.6, versions 9.11.4-S1 -\u003e 9.11.37-S1, 9.16.8-S1 -\u003e 9.16.32-S1 of the BIND Supported Preview Edition, and versions 9.19.0 -\u003e 9.19.4 of the BIND 9.19 development branch, the DNSSEC verification code for the EdDSA algorithm leaks memory when there is a signature length mismatch."
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://kb.isc.org/docs/cve-2022-38178",
            "refsource": "CONFIRM",
            "url": "https://kb.isc.org/docs/cve-2022-38178"
          },
          {
            "name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2022/09/21/3"
          },
          {
            "name": "DSA-5235",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2022/dsa-5235"
          },
          {
            "name": "FEDORA-2022-ef038365de",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/"
          },
          {
            "name": "FEDORA-2022-8268735e06",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/"
          },
          {
            "name": "FEDORA-2022-b197d64471",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/"
          },
          {
            "name": "[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html"
          },
          {
            "name": "GLSA-202210-25",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202210-25"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20221228-0009/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20221228-0009/"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, BIND 9.18.7, BIND 9.19.5, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1."
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "Disable the following algorithms in your configuration using the disable-algorithms option: ED25519, ED448. Note that this causes zones signed with these algorithms to be treated as insecure."
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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      "cve": {
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          "ID": "CVE-2022-38178"
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        "description": {
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              "lang": "en",
              "value": "By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources."
            }
          ]
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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"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-03-01T16:34Z",
      "publishedDate": "2022-09-21T11:15Z"
    }
  }
}


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