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CVE-2018-17780

Published: 29 September 2018

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.

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
telegram-desktop
Launchpad, Ubuntu, Debian
jammy Needed

impish Ignored
(end of life)
kinetic Ignored
(end of life, was needed)
bionic Needed

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needed

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
lunar Does not exist

trusty Does not exist

upstream
Released (1.3.17 Beta)
xenial Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N