IM
IronMonkey Threat Research

CVE-2020-29362 MEDIUM

Published: 2020-12-16 | Last Modified: 2024-11-21 | Status: Modified

Description

An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

Additional Descriptions (1)

Se detectó un problema en p11-kit versiones 0.21.1 hasta 0.23.21. Se ha detectado una lectura excesiva de búfer en la región heap de la memoria en el protocolo RPC usado por los comandos remotos del servidor p11-kit y la biblioteca cliente. Cuando la entidad remota suministra una matriz de bytes por medio de una llamada de función PKCS#11 serializada, la entidad receptora puede permitir la lectura de hasta 4 bytes de memoria más allá de la asignación de la pila

CVSS Metrics

Base Score: 5.3 (MEDIUM)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactLOW
Integrity ImpactNONE
Availability ImpactNONE

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 1.4

Base Score: 5.0 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactNONE
Availability ImpactNONE

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-125

Affected Products

Vendor Product Version Update Type
p11-kit_project p11-kit * <built-in method update of dict object at 0x7fd2d825bc40> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:p11-kit_project:p11-kit:*:*:*:*:*:*:*:*

References