Advisory Details

June 21st, 2024

(Pwn2Own) Synology BC500 update_ntp_config Command Injection Remote Code Execution Vulnerability

CVE ID
CVSS SCORE	6.8, AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Synology
AFFECTED PRODUCTS	BC500
VULNERABILITY DETAILS	This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology BC500 IP cameras. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the server parameter provided to the syno-api handler. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute 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-id/security/advisory/Synology_SA_23_15
DISCLOSURE TIMELINE	2024-02-21 - Vulnerability reported to vendor 2024-06-21 - Coordinated public release of advisory 2024-08-15 - Advisory Updated
CREDIT	Romain JOUET (@JouetR), Baptiste MOINE (@Creased_) from Synacktiv (@Synacktiv)

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