(0Day) Hewlett Packard Enterprise Intelligent Management Center dbman decryptMsgAes Stack-based Buffer Overflow Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Hewlett Packard Enterprise Intelligent Management Center. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the decryption of encrypted messages. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code under the context of SYSTEM.
Additional Details
Hewlett Packard Enterprise has issued an update to correct this vulnerability. More details can be found at:
https://support.hpe.com/hpsc/doc/public/display?docId=hpesbhf03906en_us
This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 120 day deadline.
04/19/18 - ZDI reported vulnerability to vendor
04/19/18 - Vendor acknowledged and provided ZDI with ticket number
06/06/18 - Vendor replied indicating vendor did not consider the issue as a vulnerability
06/11/18 - ZDI replied expressing the disagreement and provided reasons and code to prove the argument
06/12/18 - Vendor acknowledged new details and confirmed details being forwarded to engineering
08/31/18 - ZDI contacted the vendor requesting an update
09/03/18 - ZDI notified the vendor that this case will 0-day on Friday September 7
-- 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
- 2018-04-19 - Vulnerability reported to vendor
- 2018-09-07 - Coordinated public release of advisory
- 2018-11-30 - Advisory Updated
Credit
sztivi
