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DSA-2018-154: Dell EMC Avamar and Integrated Data Protection Appliance Information Exposure Vulnerability

Dell EMC Identifier: DSA-2018-154

CVE Identifier: CVE-2018-11076

Severity: High

Severity Rating:
        CVSS v3 Base Score:  7.9 (AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

Affected products:
Dell EMC Avamar Server 7.2.0 and 7.2.1
Dell EMC Avamar Server 7.3.0 and 7.3.1
Dell EMC Avamar Server 7.4.0 and 7.4.1
Dell EMC Integrated Data Protection Appliance (IDPA) 2.0

Summary:
Dell EMC Avamar and IDPA are affected by an Information Exposure vulnerability that may potentially be exploited by an attacker to compromise the affected systems.
Details:
Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0 and 7.4.1 and Dell EMC Integrated Data Protection Appliance (IDPA) 2.0 are affected by an information exposure vulnerability. Avamar Java management consoleas SSL/TLS private key may be leaked in the Avamar Java management client package. The private key could potentially be used by an unauthenticated attacker on the same data-link layer to initiate a MITM attack on management console users.

Resolution:
The following Dell EMC Avamar hotfix contains a resolution to address these vulnerabilities for the below affected Avamar releases:
aC/             Dell EMC Avamar Server 7.2.1 a HOTFIX 300431 (Part of Cumulative hotfix 295614)
aC/             Dell EMC Avamar Server 7.3.1 a HOTFIX 300430 (Part of Cumulative hotfix 298951)
aC/             Dell EMC Avamar Server 7.4.1 a HOTFIX 300429 (Part of Cumulative hotfix 300695)
aC/             Dell EMC Integrated Data Protection Appliance (IDPA) 2.0
           a HOTFIX 300429 (Part of Cumulative hotfix 300695)

For other affected versions, Dell EMC recommends scheduling an upgrade of the Avamar server to the most recent service pack for the release and applying the appropriate hotfix.
For affected IDPA releases, install the appropriate hotfix on the Avamar server directly.
Dell EMC recommends all customers apply the hotfix at the earliest opportunity. Refer to KB Article 513978 for instructions on applying the hotfix. Please note that applying the hotfix will restart the Management Console Service, It is recommended to stop backups before applying this hotfix, or install this hotfix during maintenance window.

Link to remedies:

Registered Dell EMC Online Support customers can download patches and software from support.emc.com at:

aC/             Dell EMC Avamar Server 7.2.1 a HOTFIX 300431 (Part of Cumulative hotfix 295614)
aC/             Dell EMC Avamar Server 7.3.1 a HOTFIX 300430 (Part of Cumulative hotfix 298951)
aC/             Dell EMC Avamar Server 7.4.1 a HOTFIX 300429 (Part of Cumulative hotfix 300695)
aC/             Dell EMC Integrated Data Protection Appliance (IDPA) 2.0
           a HOTFIX 300429 (Part of Cumulative hotfix 300695)

If you have any questions, please contact Dell EMC Support.

Credits:
Dell EMC would like to thank TSS (https://www.dtss.com.au/) for reporting these vulnerabilities.
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Severity Rating
For an explanation of Severity Ratings, refer to Dell EMC Knowledgebase article 468307 (https://support.emc.com/kb/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.

Legal Information
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 advisory, contact Dell EMC Technical Support (https://support.emc.com/servicecenter/contactEMC/). 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.
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