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Security Bulletin: ACLs not backed up on VxFS-HP-UX filesystems by IBM Spectrum Protect Backup-Archive Client (CVE-2019-4236)

Security Bulletin


ACL entries associated with a file or directory on a VxFS HP-UX filesystem may not be backed up by the IBM Spectrum Protect (formerly Tivoli Storage Manager) Backup-Archive Client.

Vulnerability Details

CVEID: CVE-2019-4236
DESCRIPTION: A Spectrum Protect client backup or archive operation running for an HP-UX VxFS object is not backing up Access Control List (ACL) entries in certain cases. As a result, restoring or retrieving an object may have incorrect ACL entries.
CVSS Base Score: 5.1
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

This security exposure affects IBM Spectrum Protect (formerly Tivoli Storage Manager) Backup-Archive Client levels through on HP-UX IA64.


Client Release
First Fixing VRM Level
APAR Platform Link to Fix
      7.1 IT28620 HP-UX IA64

Workarounds and Mitigations


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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

18 July 2019 - original version published

*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.


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.

Cross reference information
Product Component Platform Version Edition
Tivoli Storage Manager Backup-Archive Client HP-UX 7.1

Document information

More support for: IBM Spectrum Protect

Component: Backup-Archive Client

Software version: 7.l

Operating system(s): HP-UX

Reference #: 0884766

Modified date: 24 July 2019