Advisory Details

June 9th, 2020

ManageEngine OpManager OpmSkipFilter Directory Traversal Information Disclosure Vulnerability

ZDI-20-691
ZDI-CAN-11127

CVE ID CVE-2020-13818
CVSS SCORE 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS ManageEngine
AFFECTED PRODUCTS OpManager
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of ManageEngine OpManager. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the OpmSkipFilter class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose files in the context of the service account.

ADDITIONAL DETAILS ManageEngine has issued an update to correct this vulnerability. More details can be found at:
https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125144
DISCLOSURE TIMELINE
  • 2020-05-25 - Vulnerability reported to vendor
  • 2020-06-09 - Coordinated public release of advisory
CREDIT Yazhi Wang of Trend Micro Security Research
BACK TO ADVISORIES