gsd-2021-44758
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.
Aliases
Aliases
CVE-2021-44758


To clipboard 

{
   GSD: {
      alias: "CVE-2021-44758",
      id: "GSD-2021-44758",
      references: [
         "https://www.debian.org/security/2022/dsa-5287",
         "https://advisories.mageia.org/CVE-2021-44758.html",
         "https://www.suse.com/security/cve/CVE-2021-44758.html",
         "https://ubuntu.com/security/CVE-2021-44758",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-44758",
         ],
         details: "Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.",
         id: "GSD-2021-44758",
         modified: "2023-12-13T01:23:20.161079Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2021-44758",
            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: "Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "n/a",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv",
                  refsource: "MISC",
                  url: "https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv",
               },
               {
                  name: "https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580",
                  refsource: "MISC",
                  url: "https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580",
               },
               {
                  name: "https://security.gentoo.org/glsa/202310-06",
                  refsource: "MISC",
                  url: "https://security.gentoo.org/glsa/202310-06",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "7.7.1",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2021-44758",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-476",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv",
                     refsource: "MISC",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv",
                  },
                  {
                     name: "https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580",
                     refsource: "CONFIRM",
                     tags: [
                        "Patch",
                        "Third Party Advisory",
                     ],
                     url: "https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580",
                  },
                  {
                     name: "https://security.gentoo.org/glsa/202310-06",
                     refsource: "MISC",
                     tags: [],
                     url: "https://security.gentoo.org/glsa/202310-06",
                  },
               ],
            },
         },
         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: "2023-10-08T09:15Z",
         publishedDate: "2022-12-26T05:15Z",
      },
   },
}


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