VTS22-013

Hotfix for Security Advisory Impacting NetBackup Servers

Revision History

  • 1.0: End of September 2022 – Initial Public Release

Summary

Veritas has addressed vulnerabilities affecting NetBackup Primary and Media servers.

Issues

Issue #1: XML External Entity Injection

The NetBackup Primary server is vulnerable to an XML External Entity (XXE) injection attack through the nbars process.

  • CVE ID: CVE-2022-42301
  • Severity: Medium
  • CVSS v3.1 Base Score: 5.4 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L)
  • Impacted Components: Primary and Media servers
  • Affected Versions: 10.0.0.1 and earlier
  • Recommended Action:
    • NetBackup Primary and Media Servers: Upgrade to 8.3.0.2 or 9.0.0.1, or 9.1.0.1 or 10.0.0.1 and apply appropriate Hotfix.
    • NetBackup Clients: Not impacted. No action needed.
    • NetBackup Appliance: Upgrade to any Maintenance Release (MR) of 3.3.0.2 or 4.0.0.1, or 4.1.0.1 or 5.0.0.1 MR1 and apply appropriate Hotfix.
    • Flex Appliance: Please apply the NetBackup Hotfix corresponding to the NetBackup Container version on Flex appliances.
    • Flex Scale: Please contact Veritas Technical Support and reference Knowledge Article ID 100053006 to obtain a fix.

Issue #2: Denial of Service

The NetBackup Primary server nbars process can be crashed resulting in a denial of service attack. (Note – watchdog service will automatically restart the process.)

  • CVE ID: CVE-2022-42300
  • Severity: Medium
  • CVSS v3.1 Base Score: 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
  • Impacted Components: Primary and Media servers
  • Affected Versions: 10.0.0.1 and earlier
  • Recommended action:
    • NetBackup Primary and Media Servers: upgrade to 8.3.0.2 or 9.0.0.1, or 9.1.0.1 or 10.0.0.1 and apply appropriate Hotfix.
    • NetBackup Clients: Not impacted. No action needed.
    • NetBackup Appliance: Upgrade to any Maintenance Release (MR) of 3.3.0.2 or 4.0.0.1, or 4.1.0.1 or 5.0.0.1 MR1 and apply appropriate Hotfix.
    • Flex Appliance: Please apply the NetBackup Hotfix corresponding to the NetBackup Container version on Flex appliances.
    • Flex Scale: Please contact Veritas Technical Support and reference Knowledge Article ID 100053006 to obtain a fix.

Notes

This Security Advisory, VTS22-013, also addresses the issues identified in VTS22-004 and VTS22-011, which were released earlier. If you have not already applied VTS22-004 or VTS22-011, it is not necessary to apply them first. If you have already applied either VTS22-004 or VTS22-011 you can safely apply VTS22-013 on top of them.

Questions 

For questions or problems regarding this advisory please contact Veritas Technical Support (https://www.veritas.com/support) 

Acknowledgement 

Veritas would like to thank the following Airbus Security Team members for notifying us about these issues:   
Mouad Abouhali, Benoît Camredon, Nicholas Devillers, Anaïs Gantet, and Jean-Romain Garnier.  

Disclaimer

THE SECURITY ADVISORY IS PROVIDED "AS IS" AND ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID. VERITAS TECHNOLOGIES LLC SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING, PERFORMANCE, OR USE OF THIS DOCUMENTATION. THE INFORMATION CONTAINED IN THIS DOCUMENTATION IS SUBJECT TO CHANGE WITHOUT NOTICE. ANY FORWARD-LOOKING INDICATION OF PLANS FOR PRODUCTS IS PRELIMINARY AND ALL FUTURE RELEASE DATES ARE TENTATIVE AND ARE SUBJECT TO CHANGE. ANY FUTURE RELEASE OF THE PRODUCT OR PLANNED MODIFICATIONS TO PRODUCT CAPABILITY, FUNCTIONALITY, OR FEATURE ARE SUBJECT TO ONGOING EVALUATION BY VERITAS, AND MAY NOT BE IMPLEMENTED AND SHOULD NOT BE CONSIDERED FIRM COMMITMENTS BY VERITAS AND SHOULD NOT BE RELIED UPON IN MAKING DECISIONS.

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Santa Clara, CA 95054