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 (≈)
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CTI Interest Score
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6.4$0-$5k0.00

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.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 (🔍)

Entryinfo

Created: 09/19/2019 10:25 PM
Updated: 12/26/2023 01:48 PM
Changes: 09/19/2019 10:25 PM (54), 08/31/2020 06:51 AM (1), 12/26/2023 01:48 PM (3)
Complete: 🔍
Cache ID: 18:00C:40

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