Security Bulletin: IBM Event Streams is affected by an openSSL Vulnerability - CVE-2023-3817

Summary

OpenSSL is an open-source command line tool to generate private keys, install your TLS certificates and identify cert information. This CVE-2023-3817 carries a risk of potential denial of service attack.

Vulnerability Details

CVEID:CVE-2023-3817
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a flaw when using the DH_check(), DH_check_ex() or EVP_PKEY_param_check() functions to check a DH key or DH parameters. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause long delays, and results in a denial of service condition.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/262046 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading

Upgrade to IBM Event Streams 11.3.1 by following the upgrading and migrating documentation.

Workarounds and Mitigations

None