CVE-2010-4021 (GCVE-0-2010-4021)

Vulnerability from cvelistv5 – Published: 2010-12-02 16:00 – Updated: 2024-08-07 03:26
VLAI
Summary
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests, which might allow remote authenticated users to impersonate a client by rewriting an inner request, aka a "KrbFastReq forgery issue."
Severity
No CVSS data available.
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2349 records in the last 180 days details
References
Date Public
2010-11-30 00:00
Show details on NVD website
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        {
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        {
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-16"
            },
            {
              "lang": "en",
              "value": "CWE-264"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*",
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests, which might allow remote authenticated users to impersonate a client by rewriting an inner request, aka a \"KrbFastReq forgery issue.\""
          },
          {
            "lang": "es",
            "value": "El Centro de distribuci\u00f3n de claves (KDC) en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) v1.7 no restringe correctamente el uso de credenciales TGT para proteger solicitudes  TGS, lo que podr\u00eda permitir a usuarios remotos autenticados suplantar a un cliente mediante la reescritura de una solicitud interior, tambi\u00e9n conocido como \" falsificaci\u00f3n KrbFastReq\""
          }
        ],
        "id": "CVE-2010-4021",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "HIGH",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "NONE",
                "baseScore": 2.1,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:H/Au:S/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2010-12-02T16:22:21.240",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://kb.vmware.com/kb/1035108"
          },
          {
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            "url": "http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html"
          },
          {
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html"
          },
          {
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            "url": "http://lists.vmware.com/pipermail/security-announce/2011/000133.html"
          },
          {
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            "url": "http://osvdb.org/69607"
          },
          {
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            "url": "http://support.apple.com/kb/HT4581"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
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            ],
            "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:246"
          },
          {
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            "url": "http://www.securityfocus.com/archive/1/514953/100/0/threaded"
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          {
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        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
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              {
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                "value": "CWE-16"
              },
              {
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              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
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        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-11-21T13:01:11+00:00",
      "cve": "CVE-2010-4021",
      "id": "CVE-2010-4021",
      "initial_release_date": "2010-11-30T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "krb5: KDC may issue unrequested tickets due to KrbFastReq forgery (MITKRB5-SA-2010-007)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2010/cve-2010-4021.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T02:14:26Z",
      "cve": "CVE-2010-4021",
      "id": "CVE-2010-4021",
      "initial_release_date": "2023-02-15T05:56:18Z",
      "product_status:recommended": "248",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2010-4021",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2010-4021.json",
      "version": "19"
    }
  }
}



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