#VU87798 Information disclosure in Common Cryptographic Architecture (CCA) - CVE-2023-33855

Vulnerability identifier: #VU87798

Vulnerability risk: Low

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

CVE-ID: CVE-2023-33855

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Common Cryptographic Architecture (CCA)
Other software / Other software solutions

Vendor: IBM Corporation

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to under certain conditions, RSA operations performed by IBM Common Cryptographic Architecture (CCA) may exhibit non-constant-time behavior. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Common Cryptographic Architecture (CCA): before 7.5.37

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External links
https://www.ibm.com/support/pages/node/7145168

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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.