DSA-2019-119: Dell EMC Avamar XML External Entity Injection Vulnerability


alert-notice

High

First published:  10 Oct 2019
Last updated:  29 Oct 2019

CVE ID(s)

Overview

Severity Rating (CVSS Base Score)

8.2 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H)

Affected products:   
Dell EMC Avamar Server versions 7.4.1, 7.5.0, 7.5.1, 18.2, and 19.1
Dell EMC Integrated Data Protection Appliance (IDPA) versions 2.0, 2.1, 2.2, 2.3, and 2.4.


Summary:   
Dell EMC Avamar contains remediation for an XML External Entity Injection vulnerability that may potentially be exploited by malicious users to compromise the affected system.

Details

Filled_Alert_Notice_Symbol   Severity Disclaimer

For an explanation of Severity Ratings, refer to Dell EMC Knowledgebase article 468307. Dell EMC recommends all customers take into account both the base score and any relevant temporal and environmental scores which may impact the potential severity associated with particular security vulnerability.

Read and use the information in this Dell EMC Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this product alert, contact Dell EMC Software Technical Support at 1-877-534-2867. Dell EMC distributes Dell EMC Security Advisories, in order to bring to the attention of users of the affected Dell EMC products, important security information. Dell EMC recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. Dell EMC disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event, shall Dell EMC or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell EMC or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply.

Recommendations

The following Dell EMC Avamar hotfixes addresses this vulnerability:   

  • Dell EMC Avamar Server 7.4.1 – HOTFIX 311380 (Avamar MC Cumulative)

  • Dell EMC Avamar Server 7.5.0 – HOTFIX 311826 (Avamar MC Cumulative)

  • Dell EMC Avamar Server 7.5.1 – HOTFIX 311381 (Avamar MC Cumulative)

  • Dell EMC Avamar Server 18.2 – HOTFIX 311382 (Avamar MC Cumulative)

  • Dell EMC Avamar Server 19.1 – HOTFIX 314375 (Avamar Cumulative Patch)

  • Dell EMC Integrated Data Protection Appliance (IDPA) 2.0 – HOTFIX 311380 (Avamar MC Cumulative)

  • Dell EMC Integrated Data Protection Appliance (IDPA) 2.1 – HOTFIX 311826 (Avamar MC Cumulative)

  • Dell EMC Integrated Data Protection Appliance (IDPA) 2.2 – HOTFIX 311381 (Avamar MC Cumulative)

  • Dell EMC Integrated Data Protection Appliance (IDPA) 2.3 – HOTFIX 311382 (Avamar MC Cumulative)

  • Dell EMC Integrated Data Protection Appliance (IDPA) 2.4 – HOTFIX 314375 (Avamar Cumulative Patch)

Dell EMC recommends all customers upgrade at the earliest opportunity.

Refer to KB Article 513978: How to install an Avamar .avp hotfix using Avamar Installer (AVI) for instructions on applying MC Cumulative hotfix. Applying MC Cumulative hotfix would update management console server (MCS) and restart scheduler.  

Avamar 19.1 has Avamar cumulative patch consists of all available hotfixes bundled into a single package. Refer to KB Article 537643: How to Install Avamar 19.1 Cumulative Patch HF 314375 for instructions on applying the hotfix.

Note: Applying 19.1 Cumulative Patch shutdowns and restarts Avamar Services.

Credit

Dell EMC would like to thank Harrison Neal for reporting this vulnerability.

Read and use the information in this Dell EMC Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this product alert, contact Dell EMC Software Technical Support at 1-877-534-2867. Dell EMC distributes Dell EMC Security Advisories, in order to bring to the attention of users of the affected Dell EMC products, important security information. Dell EMC recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. Dell EMC disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event, shall Dell EMC or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell EMC or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply.