IM
IronMonkey Threat Research

CVE-2021-22156 CRITICAL

Published: 2021-08-17 | Last Modified: 2025-08-22 | Status: Modified

Description

An integer overflow vulnerability in the calloc() function of the C runtime library of affected versions of BlackBerry® QNX Software Development Platform (SDP) version(s) 6.5.0SP1 and earlier, QNX OS for Medical 1.1 and earlier, and QNX OS for Safety 1.0.1 and earlier that could allow an attacker to potentially perform a denial of service or execute arbitrary code.

Additional Descriptions (1)

Una vulnerabilidad de desbordamiento de enteros en la función calloc() de la biblioteca de tiempo de ejecución C de las versiones afectadas de BlackBerry® QNX Software Development Platform (SDP) versión(es) 6.5.0SP1 y anteriores, QNX OS for Medical versiones 1.1 y anteriores, y QNX OS for Safety versiones 1.0.1 y anteriores, que podría permitir a un atacante llevar a cabo potencialmente una denegación de servicio o ejecutar código arbitrario.

CVSS Metrics

Base Score: 9.8 (CRITICAL)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 5.9

Base Score: 6.8 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityMEDIUM
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 8.6

Impact Score: 6.4

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-190
[email protected] Primary
en CWE-190

Affected Products

Vendor Product Version Update Type
blackberry qnx_software_development_platform * <built-in method update of dict object at 0x7c3c40d59180> Application
blackberry qnx_software_development_platform 6.5.0 <built-in method update of dict object at 0x7c3c40d5ba00> Application
blackberry qnx_software_development_platform 6.5.0 <built-in method update of dict object at 0x7c3bf3a1c640> Application
blackberry qnx_os_for_medical * <built-in method update of dict object at 0x7c3c2ab11080> Operating System
blackberry qnx_os_for_safety * <built-in method update of dict object at 0x7c3bf3a1c940> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:blackberry:qnx_software_development_platform:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:blackberry:qnx_software_development_platform:6.5.0:-:*:*:*:*:*:*
Yes cpe:2.3:a:blackberry:qnx_software_development_platform:6.5.0:sp1:*:*:*:*:*:*
Yes cpe:2.3:o:blackberry:qnx_os_for_medical:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:blackberry:qnx_os_for_safety:*:*:*:*:*:*:*:*
Notification
Message here