Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus for z/OS are vulnerable to a denial of service due to MiniZip (CVE-2023-45853)

Summary

MiniZip, in IBM App Connect Enterprise and IBM Integration Bus for z/OS is vulnerable to a denial of service. This bulletin identifies the steps to take to address the vulnerability.

Vulnerability Details

CVEID:CVE-2023-45853
**DESCRIPTION:**MiniZip is vulnerable to a denial of service, caused by an integer overflow and resultant heap-based buffer overflow in the zipOpenNewFileInZip4_64 function. By persuading a victim to open a specially crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268650 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus

The APAR (IT44909) is available from

IBM App Connect Enterprise v12 - Security Fix Pack Release 12.0.10.1

IBM App Connect Enterprise| 11.0.0.1 - 11.0.0.23| IT44909|

The APAR (IT44909) is available from

IBM App Connect Enterprise v11 - Fix Pack Release 11.0.0.24

IBM Integration Bus for z/OS| 10.1 - 10.1.0.2| IT44909|

The APAR (IT44909) is available from

IBM Integration Bus for z/OS v10.1 - Fix Pack Release 10.1.0.3

Workarounds and Mitigations

None