Advisory Details

May 17th, 2023

(Pwn2Own) Synology DiskStation Manager dnsauth.php Missing Authentication Information Disclosure Vulnerability

CVE ID	CVE-2022-45188
CVSS SCORE	6.5, AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
AFFECTED VENDORS	Synology
AFFECTED PRODUCTS	DiskStation Manager
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on affected installations of Synology DiskStation Manager. This vulnerability does not require authentication, but does require some user interaction. The specific flaw exists within the dnsauth.php endpoint. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.
ADDITIONAL DETAILS	Synology has issued an update to correct this vulnerability. More details can be found at: https://www.synology.com/en-global/security/advisory/Synology_SA_22_23
DISCLOSURE TIMELINE	2023-01-24 - Vulnerability reported to vendor 2023-05-17 - Coordinated public release of advisory 2023-07-27 - Advisory Updated
CREDIT	Claroty Research - Vera Mens, Noam Moshe, Uri Katz, Sharon Brizinov

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