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AUSCERT External Security Bulletin Redistribution
ESB-2015.2191
ESA-2015-132: EMC Documentum D2 Fail Open Vulnerability
21 August 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: EMC Documentum D2
Publisher: EMC
Operating System: Windows
Impact/Access: Administrator Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2015-4537
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ESA-2015-132: EMC Documentum D2 Fail Open Vulnerability
EMC Identifier: ESA-2015-132
CVE Identifier: CVE-2015-4537
Severity Rating: CVSS v2 Base Score: 8.5 (AV:N/AC:M/Au:S/C:C/I:C/A:C)
Affected products:
EMC Documentum D2 4.2 and earlier
Summary:
EMC Documentum D2 contains fail open vulnerability that could be exploited by
malicious users to compromise D2.
Details:
Lockbox is a component of Documentum D2 which securely stores passwords in an
encrypted file. Removing the file D2.Lockbox from the Documentum Content
Server and/or application server causes Documentum D2 to fallback to using a
hard coded passphrase to encrypt sensitive admin tickets. An attacker can
easily recover this hard coded password and obtain admin tickets by
decompiling Documentum D2 jar files.
Resolution:
The following versions of the product contain the fix for this issue:
EMC Documentum D2 4.5 and subsequent patch releases
EMC recommends all customers to upgrade at the earliest opportunity.
Link to remedies:
Registered EMC Online support customers can download software from
https://emc.subscribenet.com/.
Read and use the information in this 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 EMC Software
Technical Support at 1-877-534-2867.
For an explanation of Severity Ratings, refer to EMC Knowledgebase solution
emc218831. 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.
EMC Corporation distributes EMC Security Advisories, in order to bring to the
attention of users of the affected EMC products, important security
information. 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.
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 EMC or its suppliers, be liable for any
damages whatsoever including direct, indirect, incidental, consequential, loss
of business profits or special damages, even if 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.
EMC Product Security Response Center
security_alert@emc.com
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