Medium severity · published Sep 29, 2018
CVE-2018-17780
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…
6.5
CVSS
1.8%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TD
Telegram Desktop · Telegram
1.3.14 · source: NVD
TM
Telegram Messenger · Telegram
3.3.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17780
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17780
Third Party Advisory
http://www.securityfocus.com/bid/105521
Exploit
https://www.inputzero.io/2018/09/bug-bounty-telegram-cve-2018-17780.html
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