Improper Neutralization of Command Elements in Shell User Group Provider
CVE-2022-33140

8.8HIGH

Key Information:

Vendor

Apache
Status
Apache Nifi
Apache Nifi Registry
Vendor
CVE Published:
15 June 2022

What is CVE-2022-33140?

The optional ShellUserGroupProvider in Apache NiFi 1.10.0 to 1.16.2 and Apache NiFi Registry 0.6.0 to 1.16.2 does not neutralize arguments for group resolution commands, allowing injection of operating system commands on Linux and macOS platforms. The ShellUserGroupProvider is not included in the default configuration. Command injection requires ShellUserGroupProvider to be one of the enabled User Group Providers in the Authorizers configuration. Command injection also requires an authenticated user with elevated privileges. Apache NiFi requires an authenticated user with authorization to modify access policies in order to execute the command. Apache NiFi Registry requires an authenticated user with authorization to read user groups in order to execute the command. The resolution removes command formatting based on user-provided arguments.

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Affected Version(s)

Apache NiFi up to 1.16.2 <= 1.16.2

Apache NiFi 1.10.0 < 1.10.0*

Apache NiFi Registry up to 1.16.2 <= 1.16.2

References

https://lists.apache.org/thread/bzs2pcdjsdrh5039oslmfr9mb...
x_refsource_MISC
https://nifi.apache.org/security.html#CVE-2022-33140
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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