ubuntu-cve-2018-17780
Vulnerability from osv_ubuntu
Published
2018-09-29 19:29
Modified
2025-10-24 04:47
Summary
Details

Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list.

Severity
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "telegram-desktop",
            "binary_version": "1.2.17-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "telegram-desktop",
        "purl": "pkg:deb/ubuntu/telegram-desktop@1.2.17-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.23-1",
        "1.1.23-1build1",
        "1.1.23-2",
        "1.1.23-3",
        "1.2.6-1",
        "1.2.6-2",
        "1.2.6-2build1",
        "1.2.6-2build2",
        "1.2.6-2build3",
        "1.2.15-1",
        "1.2.15-1build1",
        "1.2.17-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "telegram-desktop",
            "binary_version": "3.1.1+ds-1~ubuntu20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "telegram-desktop",
        "purl": "pkg:deb/ubuntu/telegram-desktop@3.1.1+ds-1~ubuntu20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.8-1",
        "1.8.15-2",
        "1.9.8~slim-1",
        "1.9.14+ds-1",
        "1.9.14+ds-2",
        "1.9.21+ds-1",
        "2.0.1+ds-1",
        "2.0.1+ds-1build1",
        "2.1.7+ds-2~ubuntu20.04.1",
        "3.1.1+ds-1~ubuntu20.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "telegram-desktop",
            "binary_version": "3.6.1+ds-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "telegram-desktop",
        "purl": "pkg:deb/ubuntu/telegram-desktop@3.6.1+ds-2build1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.1+ds-1",
        "3.5.2+ds-1",
        "3.6.1+ds-2build1"
      ]
    }
  ],
  "aliases": [],
  "details": "Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list.",
  "id": "UBUNTU-CVE-2018-17780",
  "modified": "2025-10-24T04:47:13Z",
  "published": "2018-09-29T19:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-17780"
    },
    {
      "type": "REPORT",
      "url": "https://www.inputzero.io/2018/09/bug-bounty-telegram-cve-2018-17780.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-17780"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-17780"
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.