Observable response discrepancy in openssl-ibmca - #VU75558
Published: April 27, 2023 / Updated: April 28, 2023
Vulnerability identifier: #VU75558
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-204
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
openssl-ibmca
openssl-ibmca
Software vendor:
Opencryptoki Project
Opencryptoki Project
Description
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to observable discrepancy in the IBMCA engine. A remote attacker can perform a timing-based side channel attack in RSA.
Remediation
Install updates from vendor's website.