Vulnerability-Lookup

GHSA-7GWG-3H62-PWF5

Vulnerability from github – Published: 2022-05-24 19:08 – Updated: 2022-05-24 19:08

Details

ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-36222"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-07-22T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.",
  "id": "GHSA-7gwg-3h62-pwf5",
  "modified": "2022-05-24T19:08:56Z",
  "published": "2022-05-24T19:08:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36222"
    },
    {
      "type": "WEB",
      "url": "https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562"
    },
    {
      "type": "WEB",
      "url": "https://github.com/krb5/krb5/releases"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20211022-0003"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20211104-0007"
    },
    {
      "type": "WEB",
      "url": "https://web.mit.edu/kerberos/advisories"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-4944"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-36222 (GCVE-0-2021-36222)

Vulnerability from cvelistv5 – Published: 2021-07-22 17:28 – Updated: 2024-08-04 00:54

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2316 records in the last 180 days details

References

7 references

URL	Tags
https://web.mit.edu/kerberos/advisories/	x_refsource_MISC
https://github.com/krb5/krb5/releases	x_refsource_MISC
https://www.debian.org/security/2021/dsa-4944	vendor-advisoryx_refsource_DEBIAN
https://www.oracle.com/security-alerts/cpuoct2021.html	x_refsource_MISC
https://github.com/krb5/krb5/commit/fc98f520caeff…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2021102…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2021110…	x_refsource_CONFIRM

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JSON

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          "dateUpdated": "2024-08-04T00:54:51.338Z",
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            "url": "https://web.mit.edu/kerberos/advisories/"
          },
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            ],
            "url": "https://github.com/krb5/krb5/releases"
          },
          {
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              "x_refsource_DEBIAN",
              "x_transferred"
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            "url": "https://www.debian.org/security/2021/dsa-4944"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562"
          },
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            "url": "https://security.netapp.com/advisory/ntap-20211022-0003/"
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              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20211104-0007/"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
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          "versions": [
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        "dateUpdated": "2021-11-04T08:06:53.000Z",
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        "shortName": "mitre"
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      "references": [
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          "url": "https://web.mit.edu/kerberos/advisories/"
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          "url": "https://github.com/krb5/krb5/releases"
        },
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          "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
        },
        {
          "tags": [
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          "url": "https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562"
        },
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          "url": "https://security.netapp.com/advisory/ntap-20211022-0003/"
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          "url": "https://security.netapp.com/advisory/ntap-20211104-0007/"
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            },
            {
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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