IM
IronMonkey Threat Research

CVE-2023-39193 MEDIUM

Published: 2023-10-09 | Last Modified: 2024-11-21 | Status: Modified

Description

A flaw was found in the Netfilter subsystem in the Linux kernel. The sctp_mt_check did not validate the flag_count field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.

Additional Descriptions (1)

Se encontró una falla en el subsistema Netfilter en el kernel de Linux. El sctp_mt_check no validó el campo flag_count. Esta falla permite que un atacante local privilegiado (CAP_NET_ADMIN) active una lectura fuera de límites, lo que provoca un bloqueo o la divulgación de información.

CVSS Metrics

Base Score: 6.0 (MEDIUM)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredHIGH
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 0.8

Impact Score: 5.2

Weaknesses

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

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd340af5e40> Operating System
redhat enterprise_linux 8.0 <built-in method update of dict object at 0x7fd39c449a00> Operating System
redhat enterprise_linux 9.0 <built-in method update of dict object at 0x7fd341ef9500> Operating System
fedoraproject fedora 38 <built-in method update of dict object at 0x7fd340b01500> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

References