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CVE-2022-39060— ChangingTec MegaServiSignAdapter - Improper Input Validation

Quick assessment

Affected
ChangingTec MegaServiSignAdapter
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Changingtec ServiSign是中国台湾全景软件（Changingtec）公司的一个系统。该系统提供了数字签名和验证的跨平台解决方案。 ChangingTech MegaServiSignAdapter存在输入验证错误漏洞，该漏洞源于存在输入验证不当，未经身份验证的远程攻击者利用此漏洞可以访问和修改注册表中的HKEY_CURRENT_USER子项，从而执行恶意脚本来控制系统或终止服务。

CVSS 9.8 · Critical EPSS 0.91% · P57
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I. Basic Information for CVE-2022-39060

Vulnerability Information
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Vulnerability Title
ChangingTec MegaServiSignAdapter - Improper Input Validation
Source: CVE Program / CVE List V5
Vulnerability Description
ChangingTech MegaServiSignAdapter component has a vulnerability of improper input validation. An unauthenticated remote attacker can exploit this vulnerability to access and modify HKEY_CURRENT_USER subkey (ex: AutoRUN) in Registry where malicious scripts can be executed to take control of the system or to terminate the service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Changingtec ServiSign 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Changingtec ServiSign是中国台湾全景软件（Changingtec）公司的一个系统。该系统提供了数字签名和验证的跨平台解决方案。 ChangingTech MegaServiSignAdapter存在输入验证错误漏洞，该漏洞源于存在输入验证不当，未经身份验证的远程攻击者利用此漏洞可以访问和修改注册表中的HKEY_CURRENT_USER子项，从而执行恶意脚本来控制系统或终止服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ChangingTec MegaServiSignAdapter 1.0.17.0823 -

II. Public POCs for CVE-2022-39060

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III. Intelligence Information for CVE-2022-39060

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Vendor Advisories for CVE-2022-39060 (1)

Same Patch Batch · ChangingTec · 2023-01-31 · 3 CVEs total

CVE-2022-39059 7.5 HIGH ChangingTec MegaServiSignAdapter - Path Traversal
CVE-2022-39061 6.5 MEDIUM ChangingTec MegaServiSignAdapter - Out-of-bounds Read

IV. Related Vulnerabilities

Same product: MegaServiSignAdapter
Same vendor: ChangingTec
Same weakness: CWE-20

V. Comments for CVE-2022-39060

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