IM
IronMonkey Threat Research

CVE-2020-35198 CRITICAL

Published: 2021-05-12 | Last Modified: 2024-11-21 | Status: Modified

Description

An issue was discovered in Wind River VxWorks 7. The memory allocator has a possible integer overflow in calculating a memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

Additional Descriptions (1)

Se detectó un problema en Wind River VxWorks versión 7. El asignador de memoria presenta un posible desbordamiento de enteros al calcular el tamaño de un bloque de memoria que es asignado por una función calloc(). Como resultado, la memoria actual asignada es menor que el tamaño del búfer especificado por los argumentos, conllevando a una corrupción de la memoria

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: 7.5 (HIGH)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 6.4

Weaknesses

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

Affected Products

Vendor Product Version Update Type
windriver vxworks * <built-in method update of dict object at 0x72a9cd08c100> Operating System
windriver vxworks * <built-in method update of dict object at 0x72a961ec8680> Operating System
windriver vxworks 6.9.4.12 <built-in method update of dict object at 0x72a9cd08f280> Operating System
windriver vxworks 6.9.4.12 <built-in method update of dict object at 0x72a9cc76dbc0> Operating System
windriver vxworks 6.9.4.12 <built-in method update of dict object at 0x72a9cd08f400> Operating System
oracle communications_eagle * <built-in method update of dict object at 0x72a9cc76c3c0> Application
oracle communications_eagle * <built-in method update of dict object at 0x72a961ec99c0> Application
oracle communications_eagle 46.7.0 <built-in method update of dict object at 0x72a9cd08de80> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:windriver:vxworks:6.9.4.12:-:*:*:*:*:*:*
Yes cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer1:*:*:*:*:*:*
Yes cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer2:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:oracle:communications_eagle:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:oracle:communications_eagle:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:oracle:communications_eagle:46.7.0:*:*:*:*:*:*:*
Notification
Message here