MQTT up to 3.4.5/4.0.4 on Node.js Packet memory corruption

HistoryDiffrelatejsonxmlCTI

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in MQTT up to 3.4.5/4.0.4 on Node.js. Impacted is an unknown function of the component Packet Handler. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2016-10523. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in MQTT up to 3.4.5/4.0.4 on Node.js (JavaScript Library) and classified as problematic. This issue affects an unknown code of the component Packet Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

MQTT before 3.4.6 and 4.0.x before 4.0.5 allows specifically crafted MQTT packets to crash the application, making a DoS attack feasible with very little bandwidth.

The bug was discovered 01/15/2016. The weakness was shared 05/31/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2016-10523 since 10/29/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 867 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.4.6 or 4.0.5 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

JavaScript Library

Name

MQTT

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD 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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MQTT 3.4.6/4.0.5
Patch: github.com

Timelineinfo

01/15/2016 🔍
10/29/2017 +653 days 🔍
05/31/2018 +213 days 🔍
05/31/2018 +0 days 🔍
06/01/2018 +1 days 🔍
03/17/2023 +1750 days 🔍

Sourcesinfo

Advisory: 393
Status: Not defined

CVE: CVE-2016-10523 (🔍)
GCVE (CVE): GCVE-0-2016-10523
GCVE (VulDB): GCVE-100-118409

Entryinfo

Created: 06/01/2018 09:28
Updated: 03/17/2023 19:31
Changes: 06/01/2018 09:28 (59), 02/10/2020 09:42 (1), 03/17/2023 19:31 (5)
Complete: 🔍
Cache ID: 216::103