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Security Bulletin: IBM Storage Ceph is vulnerable to Access of Uninitialized Pointer in the RHEL UBI (CVE-2023-36054)

Security Bulletin


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 RHEL. CVE-2023-36054

Vulnerability Details

CVEID:   CVE-2023-36054
DESCRIPTION:   MIT Kerberos 5 (aka krb5) is vulnerable to a denial of service, caused by not validating the relationship between n_key_data and the key_data array count by the _xdr_kadm5_principal_ent_rec function. By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to cause a kadmind crash.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/262966 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Storage Ceph<6.1z3
IBM Storage Ceph5.3z1-z5

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now.
Download the latest version of IBM Storage Ceph and upgrade to 6.1z3 by following instructions.

https://public.dhe.ibm.com/ibmdl/export/pub/storage/ceph/
https://www.ibm.com/docs/en/storage-ceph/6?topic=upgrading

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Review this information as needed, and upgrade IBM Storage Ceph if possible

https://nvd.nist.gov/vuln/detail/CVE-2023-36054

Acknowledgement

Change History

19 Jan 2024: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.

Document Location

Worldwide

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Document Information

Modified date:
19 January 2024

UID

ibm17109158