#VU46535 Improper Resource Shutdown or Release in CodeMeter Runtime - CVE-2020-16233

Vulnerability identifier: #VU46535

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-16233

CWE-ID: CWE-404

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 gain access to sensitive information on the system.

The vulnerability exists due to improper resource shutdown or release. A remote attacker can send a specially crafted packet that can have the server send back packets containing data from the heap.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CodeMeter Runtime: before 7.10

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-203-01
https://www.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-200521-05.pdf

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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.