Improper Privilege Management in Wibu-Systems CodeMeter Runtime

1) Improper Privilege Management

EUVDB-ID: #VU59223

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41057

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to the affected software improperly controls file access permissions by setting up a link to a special system file used with CmDongles. A local user can overwrite the essential files or a crash the CodeMeter Runtime Server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CodeMeter Runtime: before 7.30a

External links

http://cert-portal.siemens.com/productcert/pdf/ssa-580693.pdf
http://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210910-01.pdf
http://www.wibu.com/us/support/security-advisories.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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