CVE-2019-11779
moderate-risk
Published 2019-09-19
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.
Do I need to act?
~
6.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10
Medium
NETWORK
/ LOW complexity
Affected Products (9)
Affected Vendors
References (20)
Vendor Advisory
https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
Mailing List
https://seclists.org/bugtraq/2019/Nov/25
Third Party Advisory
https://usn.ubuntu.com/4137-1/
Third Party Advisory
https://www.debian.org/security/2019/dsa-4570
Vendor Advisory
https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
Mailing List
https://seclists.org/bugtraq/2019/Nov/25
Third Party Advisory
https://usn.ubuntu.com/4137-1/
Third Party Advisory
https://www.debian.org/security/2019/dsa-4570
48
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
9/34 · Low
Exposure
15/34 · Moderate