CVE-2024-30401 Information

Description

An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of Juniper Networks Junos OS on MX Series with MPC10E MPC11 MX10K-LC9600 line cards MX304 and EX9200-15C may allow an attacker to exploit a stack-based buffer overflow leading to a reboot of the FPC.

Through code review it was determined that the interface definition code for aftman could read beyond a buffer boundary leading to a stack-based buffer overflow. This issue affects Junos OS on MX Series and EX9200-15C:

from 21.2 before 21.2R3-S1 
from 21.4 before 21.4R3 
from 22.1 before 22.1R2 
from 22.2 before 22.2R2; 

This issue does not affect:

versions of Junos OS prior to 20.3R1;
any version of Junos OS 20.4.

CVSS Vector

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

Reference

https://supportportal.juniper.net/JSA79110 https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9