CVE-2021-30496

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30496
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."

5.7 /10

CVSS v3 : 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

3.5 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:N/AC:M/Au:S/C:N/I:N/A:P

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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

Configuration 1 (hide)

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

07 Nov 2023, 03:33

Type Values Removed Values Added
Summary ** 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." 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."

14 Oct 2022, 17:15

Type Values Removed Values Added
Summary 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. ** 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."

24 Apr 2021, 03:45

Type Values Removed Values Added
CPE cpe:2.3:a:telegram:telegram:7.6.2:*:*:*:*:iphone_os:*:*
CWE NVD-CWE-noinfo
References (MISC) https://t.me/joinchat/bJ9cnUosVh03ZTI0 - (MISC) https://t.me/joinchat/bJ9cnUosVh03ZTI0 - Vendor Advisory
References (MISC) https://gist.github.com/raminfp/bf64c2974ee6949787329749148a4b31 - (MISC) https://gist.github.com/raminfp/bf64c2974ee6949787329749148a4b31 - Exploit, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 3.5
v3 : 5.7

20 Apr 2021, 16:28

Type Values Removed Values Added
New CVE
Information

Published : 2021-04-20 16:15

Updated : 2024-04-11 01:11

NVD link : CVE-2021-30496

Mitre link : CVE-2021-30496

CVE.ORG link : CVE-2021-30496

JSON object : View

Products Affected

telegram

  • telegram
CWE
NVD-CWE-noinfo