Advisory Details

November 30th, 2023

Delta Electronics InfraSuite Device Master PlayWaveFile Directory Traversal Information Disclosure Vulnerability

CVE ID	CVE-2023-47279
CVSS SCORE	7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS	Delta Electronics
AFFECTED PRODUCTS	InfraSuite Device Master
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on affected installations of Delta Electronics InfraSuite Device Master. Authentication is not required to exploit this vulnerability. The specific flaw exists within the PlayWaveFile method. 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 information in the context of the current user.
ADDITIONAL DETAILS	Delta Electronics has issued an update to correct this vulnerability. More details can be found at: https://www.cisa.gov/news-events/ics-advisories/icsa-23-331-01
DISCLOSURE TIMELINE	2023-08-29 - Vulnerability reported to vendor 2023-11-30 - Coordinated public release of advisory
CREDIT	Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative

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