Advisory Details

August 11th, 2017

Hewlett Packard Enterprise Intelligent Management Center sshConfig Expression Language Injection Remote Code Execution Vulnerability

ZDI-17-660
ZDI-CAN-4851

CVE ID CVE-2017-12496
CVSS SCORE 9.0, AV:N/AC:L/Au:S/C:C/I:C/A:C
AFFECTED VENDORS Hewlett Packard Enterprise
AFFECTED PRODUCTS Intelligent Management Center
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Hewlett Packard Enterprise Intelligent Management Center. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the handling of the beanName parameter provided to the sshConfig.xhtml endpoint. When parsing the beanName parameter, the process does not properly validate a user-supplied string before using it to render a page. 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://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-hpesbhf03768en_us
DISCLOSURE TIMELINE
  • 2017-05-30 - Vulnerability reported to vendor
  • 2017-08-11 - Coordinated public release of advisory
CREDIT Steven Seeley (mr_me) of Offensive Security
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