Improper Verification of Cryptographic Signature in IBM Sterling Control Center

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU55058

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-2369

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error in JAR validation implementation. A remote attacker can modify the signed JAR file in a way it will be considered as signed.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Sterling Control Center: 6.1.3.0 - 6.2.1.0

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_sterling_control_center:6.1.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_sterling_control_center:6.2.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_sterling_control_center:6.2.1.0:*:*:*:*:*:*:*

External links

https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-in-java-se-affects-ibm-control-center-cve-2021-2369/
https://www.ibm.com/support/pages/node/6564747

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.