IM
IronMonkey Threat Research

CVE-2021-33574 CRITICAL

Published: 2021-05-25 | Last Modified: 2024-11-21 | Status: Modified

Description

The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.

Additional Descriptions (1)

La función mq_notify de la Biblioteca C de GNU (también conocida como glibc) versiones 2.32 y 2.33 tiene un use-after-free. Puede utilizar el objeto de atributos del hilo de notificación (pasado a través de su parámetro struct sigevent) después de que haya sido liberado por el llamante, lo que lleva a una denegación de servicio (caída de la aplicación) o posiblemente a otro impacto no especificado

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-416

Affected Products

Vendor Product Version Update Type
gnu glibc 2.32 <built-in method update of dict object at 0x7fd37039c840> Application
gnu glibc 2.33 <built-in method update of dict object at 0x7fd3848e18c0> Application
fedoraproject fedora 33 <built-in method update of dict object at 0x7fd349343e40> Operating System
fedoraproject fedora 34 <built-in method update of dict object at 0x7fd36b89f580> Operating System
netapp cloud_backup - <built-in method update of dict object at 0x7fd37039c800> Application
netapp e-series_santricity_os_controller * <built-in method update of dict object at 0x7fd37039c4c0> Application
netapp solidfire_baseboard_management_controller_firmware - <built-in method update of dict object at 0x7fd34231a440> Operating System
netapp h300s_firmware - <built-in method update of dict object at 0x7fd3695daa40> Operating System
netapp h500s_firmware - <built-in method update of dict object at 0x7fd3843e5380> Operating System
netapp h700s_firmware - <built-in method update of dict object at 0x7fd37039cb80> Operating System
netapp h300e_firmware - <built-in method update of dict object at 0x7fd340a33900> Operating System
netapp h500e_firmware - <built-in method update of dict object at 0x7fd36b89dcc0> Operating System
netapp h700e_firmware - <built-in method update of dict object at 0x7fd2d399aec0> Operating System
netapp h410s_firmware - <built-in method update of dict object at 0x7fd37039cbc0> Operating System
debian debian_linux 10.0 <built-in method update of dict object at 0x7fd3840e6f40> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:gnu:glibc:2.32:*:*:*:*:*:*:*
Yes cpe:2.3:a:gnu:glibc:2.33:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Yes cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

References