Security Bulletin: IBM Storage Ceph is vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer in the RHEL UBI (CVE-2023-39615)

Summary

RHEL UBI is used by IBM Storage Ceph as the base operating system. This bulletin identifies the steps to take to address the vulnerability in the RHEL UBI. CVE-2023-39615.

Vulnerability Details

**CVEID:**CVE-2023-39615 DESCRIPTION: Xmlsoft Libxml2 is vulnerable to a denial of service, caused by a global buffer overflow in the xmlSAX2StartElement() function at /libxml2/SAX2.c. By supplying a crafted XML file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/264758 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/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.
Download the latest version of IBM Storage Ceph and upgrade to 7.0z1 or later by following instructions.

https://public.dhe.ibm.com/ibmdl/export/pub/storage/ceph/
https://www.ibm.com/docs/en/storage-ceph/7?topic=upgrading

Workarounds and Mitigations

None