CVE Vulnerability

CVE-2021-30496

** DISPUTED ** The Telegram app 7.6.2 for iOS allows remote authenticated users to cause a denial of service (application crash) if the victim pastes an attacker-supplied message (e.g., in the Persian language) into a channel or group. The crash occurs in MtProtoKitFramework. NOTE: the vendor's perspective is that "this behavior can't be considered a vulnerability."

3.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.7 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://t.me/joinchat/bJ9cnUosVh03ZTI0 Vendor Advisory
https://gist.github.com/raminfp/bf64c2974ee6949787329749148a4b31 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:telegram:telegram:7.6.2:*:*:*:*:iphone_os:*:*
Information

Published : 2021-04-20 04:15

Updated : 2023-02-02 07:51

NVD link : CVE-2021-30496

Mitre link : CVE-2021-30496

Products Affected
No products.
CWE
NVD-CWE-noinfo