Multiple vulnerabilities in Wibu-Systems CodeMeter Runtime



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-20094
CVE-2021-20093
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CodeMeter Runtime
Server applications / DLP, anti-spam, sniffers

Vendor Wibu Systems

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU55441

Risk: Medium

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

CVE-ID: CVE-2021-20094

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition. A remote attacker can send a specially crafted packet to the CodeMeter Runtime CmWAN server, trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CodeMeter Runtime: before 7.21a

CPE2.3 External links

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdf
https://www.tenable.com/security/research/tra-2021-24
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.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.

2) Out-of-bounds read

EUVDB-ID: #VU55442

Risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-20093

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition. A remote attacker can send a specially crafted packet, trigger out-of-bounds read error and read contents of memory on the system or cause a denial of service condition.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CodeMeter Runtime: before 7.21a

CPE2.3 External links

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf
https://www.tenable.com/security/research/tra-2021-24
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.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.



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