SB2020090918 - Improper Verification of Cryptographic Signature in Wibu-Systems CodeMeter

Description

This security bulletin contains information about 1 vulnerability.

1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2020-14515)

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected software does not verify the cryptographic signature for data within the license-file signature checking mechanism. A remote attacker can build arbitrary license files, including forging a valid license file as if it were a valid license file of an existing vendor.

Remediation

Install update from vendor's website.

References

• https://ics-cert.us-cert.gov/advisories/icsa-20-203-01
• https://www.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-200521-06.pdf