CVE-2018-3986 MEDIUM

CVE-2018-3986

Vendor N/A
Product Telegram
Published January 3, 2019
Last update August 5, 2024

CVSS base score

4.2/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 3, 2019 CVE published
August 5, 2024 Record updated