github - ghsa-98mp-frx2-qv94

ghsa-98mp-frx2-qv94

Vulnerability from github

Published

2022-05-24 17:08

Modified

2022-05-24 17:08

Details

TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control because the same key is used for different customers' installations. It used a shared AES key for all installations since at least as far back as v7.0.43148, and used it for at least OptionsPasswordAES in the current version of the product. If an attacker were to know this key, they could decrypt protect information stored in the registry or configuration files of TeamViewer. With versions before v9.x , this allowed for attackers to decrypt the Unattended Access password to the system (which allows for remote login to the system as well as headless file browsing). The latest version still uses the same key for OptionPasswordAES but appears to have changed how the Unattended Access password is stored. While in most cases an attacker requires an existing session on a system, if the registry/configuration keys were stored off of the machine (such as in a file share or online), an attacker could then decrypt the required password to login to the system.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2019-18988"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-02-07T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control because the same key is used for different customers\u0027 installations. It used a shared AES key for all installations since at least as far back as v7.0.43148, and used it for at least OptionsPasswordAES in the current version of the product. If an attacker were to know this key, they could decrypt protect information stored in the registry or configuration files of TeamViewer. With versions before v9.x , this allowed for attackers to decrypt the Unattended Access password to the system (which allows for remote login to the system as well as headless file browsing). The latest version still uses the same key for OptionPasswordAES but appears to have changed how the Unattended Access password is stored. While in most cases an attacker requires an existing session on a system, if the registry/configuration keys were stored off of the machine (such as in a file share or online), an attacker could then decrypt the required password to login to the system.",
  "id": "GHSA-98mp-frx2-qv94",
  "modified": "2022-05-24T17:08:14Z",
  "published": "2022-05-24T17:08:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18988"
    },
    {
      "type": "WEB",
      "url": "https://community.teamviewer.com/t5/Announcements/Specification-on-CVE-2019-18988/td-p/82264"
    },
    {
      "type": "WEB",
      "url": "https://community.teamviewer.com/t5/Knowledge-Base/tkb-p/Knowledgebase?threadtype=label\u0026labels=Security"
    },
    {
      "type": "WEB",
      "url": "https://twitter.com/Blurbdust/status/1224212682594770946?s=20"
    },
    {
      "type": "WEB",
      "url": "https://whynotsecurity.com/blog/teamviewer"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2019-18988

Vulnerability from cvelistv5

Published

2020-02-07 15:09

Modified

2024-08-05 02:02

Severity ?

Summary

References

▼	URL	Tags
	https://community.teamviewer.com/t5/Knowledge-Base/tkb-p/Knowledgebase?threadtype=label&labels=Security	x_refsource_MISC
	https://whynotsecurity.com/blog/teamviewer/	x_refsource_MISC
	https://twitter.com/Blurbdust/status/1224212682594770946?s=20	x_refsource_MISC
	https://community.teamviewer.com/t5/Announcements/Specification-on-CVE-2019-18988/td-p/82264	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:02:39.860Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://community.teamviewer.com/t5/Knowledge-Base/tkb-p/Knowledgebase?threadtype=label\u0026labels=Security"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://whynotsecurity.com/blog/teamviewer/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://twitter.com/Blurbdust/status/1224212682594770946?s=20"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://community.teamviewer.com/t5/Announcements/Specification-on-CVE-2019-18988/td-p/82264"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control because the same key is used for different customers\u0027 installations. It used a shared AES key for all installations since at least as far back as v7.0.43148, and used it for at least OptionsPasswordAES in the current version of the product. If an attacker were to know this key, they could decrypt protect information stored in the registry or configuration files of TeamViewer. With versions before v9.x , this allowed for attackers to decrypt the Unattended Access password to the system (which allows for remote login to the system as well as headless file browsing). The latest version still uses the same key for OptionPasswordAES but appears to have changed how the Unattended Access password is stored. While in most cases an attacker requires an existing session on a system, if the registry/configuration keys were stored off of the machine (such as in a file share or online), an attacker could then decrypt the required password to login to the system."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-02-07T15:09:36",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://community.teamviewer.com/t5/Knowledge-Base/tkb-p/Knowledgebase?threadtype=label\u0026labels=Security"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://whynotsecurity.com/blog/teamviewer/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://twitter.com/Blurbdust/status/1224212682594770946?s=20"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://community.teamviewer.com/t5/Announcements/Specification-on-CVE-2019-18988/td-p/82264"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-18988",
          "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": "TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control because the same key is used for different customers\u0027 installations. It used a shared AES key for all installations since at least as far back as v7.0.43148, and used it for at least OptionsPasswordAES in the current version of the product. If an attacker were to know this key, they could decrypt protect information stored in the registry or configuration files of TeamViewer. With versions before v9.x , this allowed for attackers to decrypt the Unattended Access password to the system (which allows for remote login to the system as well as headless file browsing). The latest version still uses the same key for OptionPasswordAES but appears to have changed how the Unattended Access password is stored. While in most cases an attacker requires an existing session on a system, if the registry/configuration keys were stored off of the machine (such as in a file share or online), an attacker could then decrypt the required password to login to the system."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://community.teamviewer.com/t5/Knowledge-Base/tkb-p/Knowledgebase?threadtype=label\u0026labels=Security",
              "refsource": "MISC",
              "url": "https://community.teamviewer.com/t5/Knowledge-Base/tkb-p/Knowledgebase?threadtype=label\u0026labels=Security"
            },
            {
              "name": "https://whynotsecurity.com/blog/teamviewer/",
              "refsource": "MISC",
              "url": "https://whynotsecurity.com/blog/teamviewer/"
            },
            {
              "name": "https://twitter.com/Blurbdust/status/1224212682594770946?s=20",
              "refsource": "MISC",
              "url": "https://twitter.com/Blurbdust/status/1224212682594770946?s=20"
            },
            {
              "name": "https://community.teamviewer.com/t5/Announcements/Specification-on-CVE-2019-18988/td-p/82264",
              "refsource": "MISC",
              "url": "https://community.teamviewer.com/t5/Announcements/Specification-on-CVE-2019-18988/td-p/82264"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-18988",
    "datePublished": "2020-02-07T15:09:36",
    "dateReserved": "2019-11-15T00:00:00",
    "dateUpdated": "2024-08-05T02:02:39.860Z",
    "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.

Action not permitted