#VU46532 Improper Verification of Cryptographic Signature


Published: 2020-09-09

Vulnerability identifier: #VU46532

Vulnerability risk: High

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14515

CWE-ID: CWE-347

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CodeMeter Runtime
Server applications / DLP, anti-spam, sniffers

Vendor: Wibu Systems

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CodeMeter Runtime: All versions


CPE

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability