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CVE-2022-26850

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Date: April 6, 2022

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.

Language: Java

Severity Score

Related Resources (7)

http://www.openwall.com/lists/oss-security/2022/04/06/2
https://nifi.apache.org/security.html#CVE-2022-26850
https://github.com/apache/nifi/commit/859d5fe
https://nvd.nist.gov/vuln/detail/CVE-2022-26850
https://github.com/apache/nifi/commit/859d5fe8cfe05ad24600b021f0ebf15753a8105c
https://github.com/JLLeitschuh/security-research/security/advisories/GHSA-rvp4-r3g6-8hxq
https://www.mend.io/vulnerability-database/CVE-2022-26850

Severity Score

Weakness Type (CWE)

Exposure of Resource to Wrong Sphere

CWE-668

Insufficiently Protected Credentials

CWE-522

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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