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MitreCVE-2018-17780

HistorySep 29, 2018 - 7:29 p.m.

CVE-2018-17780

2018-09-2919:29:00

CWE-200

mitre

web.nvd.nist.gov

desktop

windows

security

cve-2018-17780

ip address leakage

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

37.0%

JSON

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.

Affected configurations

Nvd

Node

telegramtelegram_desktopMatch1.3.14

telegramtelegram_messengerMatch3.3.0.0windows

VendorProductVersionCPE
telegramtelegram_desktop1.3.14cpe:2.3:a:telegram:telegram_desktop:1.3.14:*:*:*:*:*:*:*
telegramtelegram_messenger3.3.0.0cpe:2.3:a:telegram:telegram_messenger:3.3.0.0:*:*:*:*:windows:*:*

Vendor	Product	Version	CPE
telegram	telegram_desktop	1.3.14	cpe:2.3:a:telegram:telegram_desktop:1.3.14:::::::*
telegram	telegram_messenger	3.3.0.0	cpe:2.3:a:telegram:telegram_messenger:3.3.0.0:::::windows::