Input validation error in Eclipse Mosquitto - CVE-2018-12551
Published: February 11, 2019
Vulnerability identifier: #VU17467
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-12551
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Eclipse
Affected software:
Eclipse Mosquitto
Eclipse Mosquitto
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass password authentication.
The vulnerability exists due to insufficient validation of malformed input in a password file, when it is used for authentication. Incorrect data in password file will be treated by the application as a username with empty password, allowing attacker to gain unauthorized access to the application.
How to mitigate CVE-2018-12551
Install updates from vendor's website.