github - ghsa-xj78-h3gx-cm6v

ghsa-xj78-h3gx-cm6v

Vulnerability from github

Published

2022-08-25 00:00

Modified

2022-08-29 20:06

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.

Show details on source website

JSON

To clipboard

{
   affected: [],
   aliases: [
      "CVE-2021-4209",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-476",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2022-08-24T16:15:00Z",
      severity: "MODERATE",
   },
   details: "A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.",
   id: "GHSA-xj78-h3gx-cm6v",
   modified: "2022-08-29T20:06:54Z",
   published: "2022-08-25T00:00:27Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-4209",
      },
      {
         type: "WEB",
         url: "https://access.redhat.com/security/cve/CVE-2021-4209",
      },
      {
         type: "WEB",
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=2044156",
      },
      {
         type: "WEB",
         url: "https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568",
      },
      {
         type: "WEB",
         url: "https://gitlab.com/gnutls/gnutls/-/issues/1306",
      },
      {
         type: "WEB",
         url: "https://gitlab.com/gnutls/gnutls/-/merge_requests/1503",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20220915-0005",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
}

cve-2021-4209

Vulnerability from cvelistv5

Published

2022-08-24 15:07

Modified

2024-08-03 17:16

Severity ?

Summary

References

▼	URL	Tags
	https://gitlab.com/gnutls/gnutls/-/issues/1306	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=2044156	x_refsource_MISC
	https://access.redhat.com/security/cve/CVE-2021-4209	x_refsource_MISC
	https://gitlab.com/gnutls/gnutls/-/merge_requests/1503	x_refsource_MISC
	https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20220915-0005/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	GnuTLS	Version: Fixed in gnutls v3.7.3

Show details on NVD website

JSON

To clipboard

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T17:16:04.444Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://gitlab.com/gnutls/gnutls/-/issues/1306",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://bugzilla.redhat.com/show_bug.cgi?id=2044156",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://access.redhat.com/security/cve/CVE-2021-4209",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://gitlab.com/gnutls/gnutls/-/merge_requests/1503",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568",
               },
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://security.netapp.com/advisory/ntap-20220915-0005/",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "GnuTLS",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "Fixed in gnutls v3.7.3",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     cweId: "CWE-476",
                     description: "CWE-476 - NULL Pointer Dereference",
                     lang: "en",
                     type: "CWE",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2022-09-15T17:06:40",
            orgId: "53f830b8-0a3f-465b-8143-3b8a9948e749",
            shortName: "redhat",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://gitlab.com/gnutls/gnutls/-/issues/1306",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=2044156",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://access.redhat.com/security/cve/CVE-2021-4209",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://gitlab.com/gnutls/gnutls/-/merge_requests/1503",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568",
            },
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://security.netapp.com/advisory/ntap-20220915-0005/",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "secalert@redhat.com",
               ID: "CVE-2021-4209",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "GnuTLS",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "Fixed in gnutls v3.7.3",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "n/a",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "CWE-476 - NULL Pointer Dereference",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://gitlab.com/gnutls/gnutls/-/issues/1306",
                     refsource: "MISC",
                     url: "https://gitlab.com/gnutls/gnutls/-/issues/1306",
                  },
                  {
                     name: "https://bugzilla.redhat.com/show_bug.cgi?id=2044156",
                     refsource: "MISC",
                     url: "https://bugzilla.redhat.com/show_bug.cgi?id=2044156",
                  },
                  {
                     name: "https://access.redhat.com/security/cve/CVE-2021-4209",
                     refsource: "MISC",
                     url: "https://access.redhat.com/security/cve/CVE-2021-4209",
                  },
                  {
                     name: "https://gitlab.com/gnutls/gnutls/-/merge_requests/1503",
                     refsource: "MISC",
                     url: "https://gitlab.com/gnutls/gnutls/-/merge_requests/1503",
                  },
                  {
                     name: "https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568",
                     refsource: "MISC",
                     url: "https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568",
                  },
                  {
                     name: "https://security.netapp.com/advisory/ntap-20220915-0005/",
                     refsource: "CONFIRM",
                     url: "https://security.netapp.com/advisory/ntap-20220915-0005/",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "53f830b8-0a3f-465b-8143-3b8a9948e749",
      assignerShortName: "redhat",
      cveId: "CVE-2021-4209",
      datePublished: "2022-08-24T15:07:31",
      dateReserved: "2022-01-24T00:00:00",
      dateUpdated: "2024-08-03T17:16:04.444Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
}

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

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.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
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.

Action not permitted