github - ghsa-xpm4-75c2-wrgc

ghsa-xpm4-75c2-wrgc

Vulnerability from github

Published

2022-05-24 17:37

Modified

2022-05-24 17:37

Details

A flaw was found in GDM in versions prior to 3.38.2.1. A race condition in the handling of session shutdown makes it possible to bypass the lock screen for a user that has autologin enabled, accessing their session without authentication. This is similar to CVE-2017-12164, but requires more difficult conditions to exploit.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-27837"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-28T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in GDM in versions prior to 3.38.2.1. A race condition in the handling of session shutdown makes it possible to bypass the lock screen for a user that has autologin enabled, accessing their session without authentication. This is similar to CVE-2017-12164, but requires more difficult conditions to exploit.",
  "id": "GHSA-xpm4-75c2-wrgc",
  "modified": "2022-05-24T17:37:25Z",
  "published": "2022-05-24T17:37:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27837"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1906812"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2020-27837

Vulnerability from cvelistv5

Published

2020-12-28 18:34

Modified

2024-08-04 16:25

Severity ?

Summary

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1906812	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

n/a

gdm

Version: prior to 3.38.2.1

Show details on NVD website

JSON

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{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:25:43.322Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1906812"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "gdm",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "prior to 3.38.2.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in GDM in versions prior to 3.38.2.1. A race condition in the handling of session shutdown makes it possible to bypass the lock screen for a user that has autologin enabled, accessing their session without authentication. This is similar to CVE-2017-12164, but requires more difficult conditions to exploit."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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              "description": "CWE-362",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-28T18:34:04",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1906812"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2020-27837",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "gdm",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "prior to 3.38.2.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
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            {
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                {
                  "lang": "eng",
                  "value": "CWE-362"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1906812",
              "refsource": "MISC",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1906812"
            }
          ]
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  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
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    "datePublished": "2020-12-28T18:34:04",
    "dateReserved": "2020-10-27T00:00:00",
    "dateUpdated": "2024-08-04T16:25:43.322Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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