Information disclosure in Telegram Desktop for Windows - CVE-2018-17780
Published: September 29, 2018
Vulnerability identifier: #VU14924
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-17780
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to insecure default behavior when accepting P2P connections from clients outside of the "My Contacts" list . A remote attacker can obtain public and private IP addresses of Telegram users.
Affected software
Telegram Desktop for Windows
How to mitigate CVE-2018-17780
Install updates from vendor's website.