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CVE-2020-25844— CHANGING Inc. NHIServiSignAdapter Windows Versions - Stack Overflow

Quick assessment

Affected
CHANGING Inc. NHIServiSignAdapter
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.

全景 NHIServiSignAdapter是中国全景公司的一个用于全景监控设备的安控元件。 NHIServiSignAdapter 存在安全漏洞，该漏洞源于摘要生成函数没有验证参数的长度，这导致了堆栈溢出漏洞。远程攻击者可利用该漏洞可以使用泄漏在没有特权的情况下执行代码。

CVSS 8.1 · High EPSS 1.90% · P78
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I. Basic Information for CVE-2020-25844

Vulnerability Information
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Vulnerability Title
CHANGING Inc. NHIServiSignAdapter Windows Versions - Stack Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
The digest generation function of NHIServiSignAdapter has not been verified for parameter’s length, which leads to a stack overflow loophole. Remote attackers can use the leak to execute code without privilege.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
NHIServiSignAdapter 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
全景 NHIServiSignAdapter是中国全景公司的一个用于全景监控设备的安控元件。 NHIServiSignAdapter 存在安全漏洞，该漏洞源于摘要生成函数没有验证参数的长度，这导致了堆栈溢出漏洞。远程攻击者可利用该漏洞可以使用泄漏在没有特权的情况下执行代码。
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
CHANGING Inc. NHIServiSignAdapter 1.0.20.0218 -

II. Public POCs for CVE-2020-25844

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III. Intelligence Information for CVE-2020-25844

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Other References for CVE-2020-25844 (1)

Same Patch Batch · CHANGING Inc. · 2020-12-31 · 5 CVEs total

CVE-2020-25843 8.1 HIGH CHANGING Inc. NHIServiSignAdapter Windows Versions - Heap Overflow
CVE-2020-25842 7.5 HIGH CHANGING Inc. NHIServiSignAdapter Windows Versions - Arbitrary File Access
CVE-2020-25845 7.5 HIGH CHANGING Inc. NHIServiSignAdapter Windows Versions - Information Leakage -1
CVE-2020-25846 7.5 HIGH CHANGING Inc. NHIServiSignAdapter Windows Versions - Information Leakage -2

IV. Related Vulnerabilities

Same product: NHIServiSignAdapter
Same vendor: CHANGING Inc.
Same weakness: CWE-121

V. Comments for CVE-2020-25844

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