Advisory Details

January 14th, 2019

Schneider Electric IIoT Monitor downloadCSV Directory Traversal Information Disclosure Vulnerability

CVE ID	CVE-2018-7835
CVSS SCORE	7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS	Schneider Electric
AFFECTED PRODUCTS	IIot Monitor
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Schneider Electric IIoT Monitor. Authentication is not required to exploit this vulnerability. The specific flaw exists within downloadCSV.jsp servlet. 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 sensitive information in the context of SYSTEM.
ADDITIONAL DETAILS	Schneider Electric has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-19-008-02
DISCLOSURE TIMELINE	2018-08-14 - Vulnerability reported to vendor 2019-01-14 - Coordinated public release of advisory
CREDIT	rgod of 9sg Security Team - rgod@9sgsec.com

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