Executive Summary

Informations
Name CVE-2019-11779 First vendor Publication 2019-09-19
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:N/I:N/A:P)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11779

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-674 Uncontrolled Recursion

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 1
Os 2
Os 3
Os 1

Snort® IPS/IDS

Date Description
2019-11-26 Eclipse Mosquitto MQTT SUBSCRIBE request topic parsing buffer overflow attempt
RuleID : 52006 - Revision : 1 - Type : SERVER-OTHER

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
BUGTRAQ https://seclists.org/bugtraq/2019/Nov/25
CONFIRM https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
DEBIAN https://www.debian.org/security/2019/dsa-4570
MLIST https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html
UBUNTU https://usn.ubuntu.com/4137-1/

Alert History

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Date Informations
2023-11-07 21:39:15
  • Multiple Updates
2021-10-28 21:23:24
  • Multiple Updates
2021-05-04 13:22:07
  • Multiple Updates
2021-04-22 02:37:10
  • Multiple Updates
2020-05-23 02:21:51
  • Multiple Updates
2019-10-05 12:11:01
  • Multiple Updates
2019-10-04 12:10:56
  • Multiple Updates
2019-09-30 21:20:04
  • Multiple Updates
2019-09-24 01:11:12
  • Multiple Updates
2019-09-20 21:19:36
  • Multiple Updates
2019-09-19 21:19:46
  • First insertion