Information disclosure in Telegram Desktop for Windows - CVE-2018-17780

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Main Vulnerability Database Vulnerabilities #VU14924

Information disclosure in Telegram Desktop for Windows - CVE-2018-17780

Published: September 29, 2018


Vulnerability identifier: #VU14924
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2018-17780
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Telegram
Affected software:
Telegram Desktop for Windows

Detailed vulnerability description

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.


How to mitigate CVE-2018-17780

Install updates from vendor's website.

Sources