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ChangingTec ServiSign - Path Traversal

TVN ID TVN-202211005
CVE ID CVE-2022-46306
CVSS 8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products Contact tech support from ChangingTec
Description ChangingTec ServiSign component has a path traversal vulnerability due to insufficient filtering for special characters in the DLL file path. An unauthenticated remote attacker can host a malicious website for the component user to access, which triggers the component to load malicious DLL files under arbitrary file path and allows the attacker to perform arbitrary system operation and disrupt of service.
Solution Contact tech support from ChangingTec
Credit Lee Pu, Weber Tasi, KaiChing Wang (CHT Security)
Public Date 2022-12-14
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