CVE-2021-31321

Published: May 18, 2021Modified: Nov 21, 2024

7.1

Vector

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

Exploitability: 1.8 / Impact: 5.2

Source: NVD

Description

Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Stack Based Overflow in the gray_split_cubic function of their custom fork of the rlottie library. A remote attacker might be able to overwrite Telegram's stack memory out-of-bounds on a victim device via a malicious animated sticker.

Affected (3)

Products: Telegram: Telegram

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Telegram Telegram	Before 7.1.0
Telegram Telegram	Before 7.1.0
Telegram Telegram	Before 7.1.0

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

https://www.shielder.it/advisories/telegram-rlottie-gray_split_cubic-stack-buffer-overflow/

Source: cve@mitre.org

ExploitThird Party Advisory

https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/

Source: cve@mitre.org

ExploitThird Party Advisory

https://www.shielder.it/advisories/telegram-rlottie-gray_split_cubic-stack-buffer-overflow/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

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