Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability.
Citect floating license manager update#
Impacted users should upgrade to Floating License Manager (FLM) Version 2.3.1.0 as soon as possible.įLM Version 2.3.1.0 is already available via SESU (Schneider Electric Software Update tool).ĭetails are described in the Schneider Electric Security Notification SEVD-2019-134-04. MITIGATIONSĪVEVA states that users who have deployed Floating License Manager Version 2.3.0.0 and earlier to manage their Software Licensing for Vijeo Citect or Citect SCADA (Version 7.30 and later) could be impacted.
Schneider Electric reported these vulnerabilities to NCCIC.
Citect floating license manager code#
A CVSS v3 base score of 7.5 has been calculated the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).Ī remote code execution vulnerability in lmadmin and vendor daemon components allows a remote attacker to corrupt the memory by allocating/deallocating memory, loading lmadmin or the vendor daemon and causing the heartbeat between lmadmin and the vendor daemon to stop. A CVSS v3 base score of 7.5 has been calculated the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).Ī denial of service vulnerability related to message decoding in lmadmin and vendor daemon components allows a remote attacker to 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.ĬVE-2018-20032 has been assigned to this vulnerability. Floating License Manager Version 2.3.0.0 and earlierĪ denial of service vulnerability related to preemptive item deletion in lmadmin and vendor daemon components allows a remote attacker to 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.ĬVE-2018-20031 has been assigned to this vulnerability.The following versions of Floating License Manager, used in Vijeo Citect and Citect SCADA, are affected: These vulnerabilities could allow an attacker to deny the acquisition of a valid license for legal use of the product. Vulnerabilities: Improper Input Validation, Memory Corruption.Equipment: Vijeo Citect and Citect SCADA Floating License Manager.ATTENTION: Exploitable remotely/low skill level to exploit.
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