SB2019091916 - Use-after-free in Eclipse Mosquitto
Published: September 19, 2019 Updated: September 29, 2019
Security Bulletin ID
SB2019091916
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2019-11778)
The vulnerability allows a remote attacker to perform a denial of service (Dos) attack.
The vulnerability exists due to a use-after-free error when processing "delay interval" and "session expiry interval" values. A malicious MQTT v5 client can set specially crafted values for the affected options and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.