Input validation error in Floating License Manager - CVE-2018-20034

 

Input validation error in Floating License Manager - CVE-2018-20034

Published: July 12, 2019


Vulnerability identifier: #VU19164
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-20034
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Schneider Electric
Affected software:
Floating License Manager

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input related to adding an item to a list in lmadmin and vendor daemon components. A remote attacker can send a combination of messages to lmadmin or the vendor daemon, causing the heartbeat between lmadmin and the vendor daemon to stop and the vendor daemon to shut down.


How to mitigate CVE-2018-20034

Install updates from vendor's website.

Sources