Telegram Information Disclosure Vulnerability

Telegram is an instant messaging mobile application. An information disclosure vulnerability exists in the Privacy Phone Number feature in Telegram version 5.10, which can be exploited by unauthorized attackers to obtain sensitive information about affected components...

PT-2019-14236

Name of the Vulnerable Software and Affected Versions Telegram app version 5.10 for Android and iOS Description The issue concerns the Privacy Phone Number feature, which incorrectly indicates that the access level is set to Nobody. However, attackers can still find these numbers via the Group In...

CVE-2019-15514: Undefined Security Weakness

The Privacy Phone Number feature in the Telegram app 5.10 for Android and iOS provides an incorrect indication that the access level is Nobody, because attackers can find these numbers via the Group Info feature, e.g., by adding a significant fraction of a region's assigned phone numbers...