CVE-2024-47501: junos Null Dereference — Fix

Description

A NULL Pointer Dereference vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX304, MX with MPC10/11/LC9600, and EX9200 with EX9200-15C allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). In a VPLS or Junos Fusion scenario, the execution of specific show commands will cause all FPCs hosting VPLS sessions or connecting to satellites to crash and restart. This issue affects Junos on MX304, MX with MPC10/11/LC9600 and EX9200 with EX9200-15C: * All version before 21.2R3-S1, * 21.3 versions before 21.3R3, * 21.4 versions before 21.4R2.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
juniper	junos	< 21.2
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	ex9200	All
juniper	ex9200-15c	All
juniper	mpc10e-10c	All
juniper	mpc10e-15c	All
juniper	mpc11	All
juniper	mx10003	All
juniper	mx10004	All
juniper	mx10008	All
juniper	mx10016	All
juniper	mx2008	All
juniper	mx2010	All
juniper	mx240	All
juniper	mx304	All
juniper	mx480	All
juniper	mx960	All

References

Advisories & Patches

https://supportportal.juniper.net/JSA88131

Frequently Asked Questions

What is CVE-2024-47501? +

A NULL Pointer Dereference vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX304, MX with MPC10/11/LC9600, and EX9200 with EX9200-15C allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). In a VPLS or Junos Fusion scenario, the execution of specific show commands will cause all FPCs hosting VPLS sessions or connecting to satellites to crash and restart. This issue affects Junos on MX304, MX with MPC10/11/LC9600 and EX9200 with EX9200-15C: * All version before 21.2R3-S1, * 21.3 versions before 21.3R3, * 21.4 versions before 21.4R2. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-47501? +

CVE-2024-47501 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-47501? +

CVE-2024-47501 affects products from juniper, specifically: ex9200, ex9200-15c, junos, mpc10e-10c, mpc10e-15c, mpc11, mx10003, mx10004, mx10008, mx10016, mx2008, mx2010, mx240, mx304, mx480, mx960. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-47501? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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