SB2020050512 - Spoofing attack in Telegram
Published: May 5, 2020
Security Bulletin ID
SB2020050512
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Spoofing attack (CVE-ID: CVE-2020-12474)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data passed via a public URL or a group chat invitation URL. A remote attacker can perform an IDN Homograph attack via Punycode.
Remediation
Install update from vendor's website.