Security Bulletin: IBM App Connect Enterprise is vulnerable to a denial of service due to OpenSSL.

Summary

IBM App Connect Enterprise is vulnerable to a denial of service due to OpenSSL. (CVE-2023-3817)

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/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise

The APAR (IT44882) is available from

IBM App Connect Enterprise v12 - Fix Pack 12.0.10.0

IBM App Connect Enterprise| 11.0.0.1 - 11.0.0.22| IT44882|

The APAR (IT44882) is available from

IBM App Connect Enterprise v11 - Fix Pack 11.0.0.23

Workarounds and Mitigations

None