VDB-274614 · CVE-2024-39792 · K000140108

F5 NGINX Plus MQTT Pre-Read expired pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in F5 NGINX Plus and classified as critical. Affected is an unknown function of the component MQTT Pre-Read Module. The manipulation results in expired pointer dereference. This vulnerability is cataloged as CVE-2024-39792. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in F5 NGINX Plus (the affected version is unknown). It has been classified as critical. Affected is an unknown code of the component MQTT Pre-Read Module. The manipulation with an unknown input leads to a expired pointer dereference vulnerability. CWE is classifying the issue as CWE-825. The product dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid. This is going to have an impact on availability. CVE summarizes:

When the NGINX Plus is configured to use the MQTT pre-read module, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The advisory is available at my.f5.com. This vulnerability is traded as CVE-2024-39792 since 07/22/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 08/20/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Web Server

Vendor

Name

NGINX Plus

License

commercial

Website

Vendor: https://f5.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Expired pointer dereference
CWE: CWE-825
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/22/2024 🔍
08/14/2024 +23 days 🔍
08/14/2024 +0 days 🔍
08/20/2024 +6 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K000140108
Status: Confirmed

CVE: CVE-2024-39792 (🔍)
GCVE (CVE): GCVE-0-2024-39792
GCVE (VulDB): GCVE-100-274614

Entryinfo

Created: 08/14/2024 16:57
Updated: 08/20/2024 07:59
Changes: 08/14/2024 16:57 (73), 08/20/2024 07:59 (10)
Complete: 🔍
Cache ID: 216::103