Security Bulletin: IBM Storage Ceph is vulnerable to a NULL Pointer Dereference in the RHEL UBI (CVE-2023-49083)

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-2023-49083.

Vulnerability Details

CVEID:CVE-2023-49083
**DESCRIPTION:**Cryptography package for Python is vulnerable to a denial of service, caused by a NULL pointer dereference when loading PKCS7 certificates. By deserializing a specially crafted PKCS7 blob/certificate, 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/272510 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 7.1 or later by following instructions.

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

Workarounds and Mitigations

None