IDN Homograph Attack Vulnerability in Telegram Applications

CVE-2019-10044 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android, iOS, and Linux, is vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.

Learn more about our Cis Benchmark Audit For Apple Ios.