CVE-2021-31317

Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the VDasher constructor of their custom fork of the rlottie library. A remote attacker might be able to access Telegram's heap memory out-of-bounds on a victim device via a malicious animated sticker.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:*
cpe:2.3:a:telegram:telegram:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:telegram:telegram:*:*:*:*:*:macos:*:*

History

25 May 2021, 18:09

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : 4.3
v3 : 5.5
CWE CWE-843
CPE cpe:2.3:a:telegram:telegram:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:*
cpe:2.3:a:telegram:telegram:*:*:*:*:*:macos:*:*
References (MISC) https://www.shielder.it/advisories/telegram-rlottie-vdasher-vdasher-type-confusion/ - (MISC) https://www.shielder.it/advisories/telegram-rlottie-vdasher-vdasher-type-confusion/ - Exploit, Third Party Advisory
References (MISC) https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/ - (MISC) https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/ - Exploit, Third Party Advisory

18 May 2021, 20:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-05-18 20:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-31317

Mitre link : CVE-2021-31317

CVE.ORG link : CVE-2021-31317


JSON object : View

Products Affected

telegram

  • telegram
CWE
CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')