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CVE-2022-26850— Insufficiently protected credentials

Quick assessment

Affected
Apache Software Foundation Apache NiFi
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.

Apache NiFi是美国阿帕奇（Apache）基金会的一套数据处理和分发系统。该系统主要用于数据路由、转换和系统中介逻辑。 Apache NiFi存在安全漏洞，该漏洞源于在为单用户访问创建或更新凭据时，Apache NiFi将登录标识提供程序配置的副本写入操作系统的临时目录。在大多数平台上，操作系统的临时目录具有全局读取权限。Apache NiFi 1.16.0版本包含更新，以替换登录标识提供程序配置，而无需将文件写入操作系统临时目录。

AI Predicted 5.3 Difficulty: Trivial EPSS 1.49% · P73

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2022-26850

Vulnerability Information
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Vulnerability Title
Insufficiently protected credentials
Source: CVE Program / CVE List V5
Vulnerability Description
When creating or updating credentials for single-user access, Apache NiFi wrote a copy of the Login Identity Providers configuration to the operating system temporary directory. On most platforms, the operating system temporary directory has global read permissions. NiFi immediately moved the temporary file to the final configuration directory, which significantly limited the window of opportunity for access. NiFi 1.16.0 includes updates to replace the Login Identity Providers configuration without writing a file to the operating system temporary directory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apache NiFi 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache NiFi是美国阿帕奇（Apache）基金会的一套数据处理和分发系统。该系统主要用于数据路由、转换和系统中介逻辑。 Apache NiFi存在安全漏洞，该漏洞源于在为单用户访问创建或更新凭据时，Apache NiFi将登录标识提供程序配置的副本写入操作系统的临时目录。在大多数平台上，操作系统的临时目录具有全局读取权限。Apache NiFi 1.16.0版本包含更新，以替换登录标识提供程序配置，而无需将文件写入操作系统临时目录。
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
Apache Software Foundation Apache NiFi NiFi 1.14.0 to 1.15.3 -

II. Public POCs for CVE-2022-26850

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III. Intelligence Information for CVE-2022-26850

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Mailing List Discussions for CVE-2022-26850 (1)

Other References for CVE-2022-26850 (1)

IV. Related Vulnerabilities

Same product: Apache NiFi
Same vendor: Apache Software Foundation

V. Comments for CVE-2022-26850

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