CVE-2021-41861 Information

Description

The Telegram application 7.5.0 through 7.8.0 for Android does not properly implement image self-destruction a different vulnerability than CVE-2019-16248. After approximately two to four uses of the self-destruct feature there is a misleading UI indication that an image was deleted (on both the sender and recipient sides). The images are still present in the /Storage/Emulated/0/Telegram/Telegram Image/ directory.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Reference

https://telegram.org/blog/autodelete-inv2/ru#avtomaticheskoe-udalenie-soobschenii https://desktop.telegram.org/changelog#v-2-6-23-02-21 https://habr.com/ru/post/580582/ https://pikabu.ru/story/konfidentsialnost_polzovateley_telegram_snova_narushena_predstaviteli_messendzhera_trebuyut_ne_raskryivat_podrobnostey_8511495

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

3.3