CVE-2018-3986 Information

Description

An exploitable information disclosure vulnerability exists in the \Secret Chats\ functionality of the Telegram Android messaging application version 4.9.0. The \Secret Chats\ functionality allows a user to delete all traces of a chat either by using a time trigger or by direct request. There is a bug in this functionality that leaves behind photos taken and shared on the secret chats even after the chats are deleted. These photos will be stored in the device and accessible to all applications installed on the Android device.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/106295 https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0654

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5