gsd-2021-37750
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2021-37750",
    "description": "The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.",
    "id": "GSD-2021-37750",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-37750.html",
      "https://access.redhat.com/errata/RHSA-2021:4788",
      "https://access.redhat.com/errata/RHSA-2021:3576",
      "https://security.archlinux.org/CVE-2021-37750",
      "https://linux.oracle.com/cve/CVE-2021-37750.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-37750"
      ],
      "details": "The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.",
      "id": "GSD-2021-37750",
      "modified": "2023-12-13T01:23:09.926648Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2021-37750",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
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                    }
                  }
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              "vendor_name": "n/a"
            }
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          }
        ]
      },
      "problemtype": {
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                "value": "n/a"
              }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://web.mit.edu/kerberos/advisories/",
            "refsource": "MISC",
            "url": "https://web.mit.edu/kerberos/advisories/"
          },
          {
            "name": "https://github.com/krb5/krb5/releases",
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            "url": "https://github.com/krb5/krb5/releases"
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/"
          },
          {
            "name": "[debian-lts-announce] 20210930 [SECURITY] [DLA 2771-1] krb5 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpujul2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
          },
          {
            "name": "https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49",
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            "url": "https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49"
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            "url": "https://security.netapp.com/advisory/ntap-20210923-0002/"
          },
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            "refsource": "MISC",
            "url": "https://www.starwindsoftware.com/security/sw-20220817-0004/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.19.3",
                "versionStartIncluding": "1.19.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.18.5",
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              }
            ],
            "operator": "OR"
          },
          {
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            "cpe_match": [
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            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
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              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8r13:14338:*:*:*:*:*:*",
                "cpe_name": [],
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            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:22.1.0:*:*:*:*:*:*:*",
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            ],
            "operator": "OR"
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        ]
      },
      "cve": {
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        },
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-476"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/krb5/krb5/releases",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
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              "url": "https://github.com/krb5/krb5/releases"
            },
            {
              "name": "https://web.mit.edu/kerberos/advisories/",
              "refsource": "MISC",
              "tags": [
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              "url": "https://web.mit.edu/kerberos/advisories/"
            },
            {
              "name": "https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49",
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            },
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            },
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                "Third Party Advisory"
              ],
              "url": "https://www.starwindsoftware.com/security/sw-20220817-0004/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-10-25T16:57Z",
      "publishedDate": "2021-08-23T05:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.