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CVE-2022-23634
Good to know:
Date: February 11, 2022
Puma is a Ruby/Rack web server built for parallelism. Prior to "puma" version "5.6.2", "puma" may not always call "close" on the response body. Rails, prior to version "7.0.2.2", depended on the response body being closed in order for its "CurrentAttributes" implementation to work correctly. The combination of these two behaviors (Puma not closing the body + Rails' Executor implementation) causes information leakage. This problem is fixed in Puma versions 5.6.2 and 4.3.11. This problem is fixed in Rails versions 7.02.2, 6.1.4.6, 6.0.4.6, and 5.2.6.2. Upgrading to a patched Rails or Puma version fixes the vulnerability.
Language: Ruby
Severity Score
Related Resources (20)
Severity Score
Weakness Type (CWE)
Improper Resource Shutdown or Release
CWE-404Exposure of Sensitive Information to an Unauthorized Actor
CWE-200Insufficient Information
NVD-CWE-noinfoTop Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | NONE |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | NETWORK |
| Access Complexity (AC): | MEDIUM |
| Authentication (AU): | NONE |
| Confidentiality (C): | PARTIAL |
| Integrity (I): | NONE |
| Availability (A): | NONE |
| Additional information: |