IM
IronMonkey Threat Research

CVE-2021-3580 HIGH

Published: 2021-08-05 | Last Modified: 2024-11-21 | Status: Modified

Description

A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service.

Additional Descriptions (1)

Se ha encontrado un fallo en la manera en que las funciones de descifrado RSA de Nettle manejan el texto cifrado especialmente diseñado. Un atacante podría usar este fallo para proporcionar un texto cifrado manipulado, conllevando al bloqueo de la aplicación y la denegación de servicio

CVSS Metrics

Base Score: 7.5 (HIGH)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-20
[email protected] Secondary
en CWE-20

Affected Products

Vendor Product Version Update Type
nettle_project nettle * <built-in method update of dict object at 0x7fd34088efc0> Application
redhat enterprise_linux 7.0 <built-in method update of dict object at 0x7fd36b89f7c0> Operating System
redhat enterprise_linux 8.0 <built-in method update of dict object at 0x7fd34088ebc0> Operating System
debian debian_linux 9.0 <built-in method update of dict object at 0x7fd3703a1b80> Operating System
netapp ontap_select_deploy_administration_utility - <built-in method update of dict object at 0x7fd34088d200> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*

References