Security Bulletin
Summary
A Samba vulnerability affects IBM Spectrum Scale SMB protocol access method that could allow a remote attacker to bypass security restrictions and gain unauthorized access to files.
Vulnerability Details
CVEID: CVE-2021-23192
DESCRIPTION: Samba could allow a remote attacker to bypass security restrictions, caused by a flaw in the implementation of DCE/RPC. By sending a specially-crafted DCE/RPC request, an attacker could exploit this vulnerability to replace later fragments with their own data, and bypass the signature requirements.
CVSS Base score: 4.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/213210 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Spectrum Scale | 5.1.0 - 5.1.2.1 |
Remediation/Fixes
For IBM Spectrum Scale V5.1.0 through V5.1.2.1, apply V5.1.2.2 or V5.1.3 or later available from FixCentral at :
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
02 Mar 2022: 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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
21 March 2022
UID
ibm16565039