SB2018121904 - Multiple vulnerabilities in CODESYS Control Products

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use of insufficiently random values (CVE-ID: CVE-2018-20025)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to weak random values. A remote unauthenticated attacker can bypass security restrictions to affect the confidentiality and integrity of data stored on the device.

2) Spoofing attack (CVE-ID: CVE-2018-20026)

The vulnerability allows a remote attacker to conduct spoofing attack on the target system.

The vulnerability exists due to the application does not properly restrict communication channels. A remote unauthenticated attacker can spoof the source of communication packets.

3) Improper access control (CVE-ID: CVE-2018-10612)

The vulnerability allows a remote attacker to bypass security restrictions the target system.

The vulnerability exists due to user access management and communication encryption is not enabled by default. A remote unauthenticated attacker can gain access to the device and sensitive information, including user credentials.

Remediation

Install update from vendor's website.

References

• https://www.codesys.com/security/security-reports.html