CyberSecBulletin
CVE-2024-50384NVD status: Modified

X-CUBE-AZRT-H7RS: Incomplete Cleanup

Published Updated By the CyberSecBulletin desk

CVE-2024-50384 is a high-severity incomplete cleanup vulnerability in X-CUBE-AZRT-H7RS from STMicroelectronics, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected X-CUBE-AZRT-H7RS versions: 1.0.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.79% chance of exploitation within 30 days, higher than 57% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of X-CUBE-AZRT-H7RS you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
STMicroelectronicsX-CUBE-AZRT-H7RS1.0.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-F41.1.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-F71.1.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-G01.1.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-G42.0.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-H73.3.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-L42.0.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-L52.0.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-WB2.0.0Not stated
STMicroelectronicsX-CUBE-AZRTOS-WL2.0.0Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.16.5MediumCNA (cisco.com)
CVSS 3.17.5HighNVD

Official description

A denial of service vulnerability exists in the NetX Component HTTP server functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. A specially crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability affects X-CUBE-AZRTOS-F7 NetX Duo Web Component HTTP server v 1.1.0. This HTTP server implementation is contained in this file - x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\web\nx_web_http_server.c

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Incomplete Cleanup

The product does not properly clean up and remove temporary or supporting resources after they have been used.

How developers prevent this class of flaw

  • Temporary files and other supporting resources should be deleted/released immediately after they are no longer needed.

More Incomplete Cleanup vulnerabilities (CWE-459)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Technical write-ups (may include proof of concept)

Other vulnerabilities in X-CUBE-AZRT-H7RS

All X-CUBE-AZRT-H7RS vulnerabilities

Recent Incomplete Cleanup vulnerabilities

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