Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Telegram | Telegram | All versions |
| Telegram | Telegram Desktop | < 1.5.12 |
| Microsoft | Windows | - |
References
- http://www.securityfocus.com/bid/107610Third Party AdvisoryVDB Entry
- https://github.com/blazeinfosec/advisories/blob/master/telegram-advisory.txtExploitThird Party Advisory
- http://www.securityfocus.com/bid/107610Third Party AdvisoryVDB Entry
- https://github.com/blazeinfosec/advisories/blob/master/telegram-advisory.txtExploitThird Party Advisory
FAQ
What is CVE-2019-10044?
CVE-2019-10044 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 bec...
How severe is CVE-2019-10044?
CVE-2019-10044 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-10044?
Check the references section above for vendor advisories and patch information. Affected products include: Telegram Telegram, Telegram Telegram Desktop, Microsoft Windows.