Advisory Details

May 9th, 2019

(0Day) Hewlett Packard Enterprise Intelligent Management Center Standard ImcLoginMgrImpl Hard-coded Cryptographic Key Credentials Disclosure Vulnerability

ZDI-19-459
ZDI-CAN-6932

CVE ID CVE-2019-11946
CVSS SCORE 6.5, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS Hewlett Packard Enterprise
AFFECTED PRODUCTS Intelligent Management Center
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Hewlett Packard Enterprise Intelligent Management Center. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the ImcLoginMgrImpl class. The class contains hard-coded secrets in clear text. An attacker can leverage this in conjunction with other vulnerabilities to decrypt user passwords.

ADDITIONAL DETAILS

This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 120 day deadline.

01/09/19 - ZDI sent the vulnerability report to the vendor
01/09/19 - The vendor replied with tracking number
01/30/19 - The vendor PSIRT mentioned they were working with the engineering team to get an updated schedule
02/27/19 - ZDI asked the vendor again for any ETA for updates for this product
02/27/19 - The vendor replied they would follow up
04/24/19 - ZDI notified the vendor that the reports will be published as 0-day on 05/09 if these are not patched before

-- Mitigation:
Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the service to trusted machines. Only the clients and servers that have a legitimate procedural relationship with the service should be permitted to communicate with it. This could be accomplished in a number of ways, most notably with firewall rules/whitelisting.


DISCLOSURE TIMELINE
  • 2019-01-09 - Vulnerability reported to vendor
  • 2019-05-09 - Coordinated public release of advisory
  • 2021-03-02 - Advisory Updated
CREDIT Matthias Kaiser and Steven Seeley of Incite Team (Source Incite)
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