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CVE-2021-31321

HIGH

7.1

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.

CVE Details

CVSS v3.1 Score7.1

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published5/18/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

telegram:telegram

Weaknesses (CWE)

CWE-787

References

https://www.shielder.it/advisories/telegram-rlottie-gray_split_cubic-stack-buffer-overflow/(cve@mitre.org)

https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/(cve@mitre.org)

https://www.shielder.it/advisories/telegram-rlottie-gray_split_cubic-stack-buffer-overflow/(af854a3a-2127-422b-91ae-364da2661108)

https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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