VDB-141994 · CVE-2019-11779 · USN-4137-1

Eclipse Mosquitto up to 1.6.5 Subscribe Packet unusual condition

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Eclipse Mosquitto up to 1.6.5. It has been declared as critical. The affected element is an unknown function of the component Subscribe Packet Handler. Executing a manipulation can lead to unusual condition. The identification of this vulnerability is CVE-2019-11779. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Eclipse Mosquitto up to 1.6.5. This vulnerability affects some unknown processing of the component Subscribe Packet Handler. The manipulation with an unknown input leads to a unusual condition vulnerability. The CWE definition for the vulnerability is CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.

The weakness was shared 09/19/2019 (Website). The advisory is available at bugs.eclipse.org. This vulnerability was named CVE-2019-11779 since 05/06/2019. The attack can be initiated remotely. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not available.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Eclipse

Name

Mosquitto

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: Unusual condition
CWE: CWE-754
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

05/06/2019 🔍
09/19/2019 +136 days 🔍
09/19/2019 +0 days 🔍
12/26/2023 +1559 days 🔍

Sourcesinfo

Advisory: USN-4137-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-11779 (🔍)
GCVE (CVE): GCVE-0-2019-11779
GCVE (VulDB): GCVE-100-141994

Entryinfo

Created: 09/19/2019 22:25
Updated: 12/26/2023 13:48
Changes: 09/19/2019 22:25 (54), 08/31/2020 06:51 (1), 12/26/2023 13:48 (3)
Complete: 🔍
Cache ID: 216::103