CVE-2018-17780 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/105521 https://www.inputzero.io/2018/09/bug-bounty-telegram-cve-2018-17780.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5