CVEvulnerability

CVE-2022-23634

5.9 MEDIUM Published 2022-02-11 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-02-11
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.0 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200, CWE-404

Description

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.

Affected configurations

• puma puma (< 4.3.11) • puma puma (>= 5.0.0 < 5.6.2) • rubyonrails rails (>= 5.0.0 < 5.2.6.2) • rubyonrails rails (>= 6.0.0 < 6.0.4.6) • rubyonrails rails (>= 6.1.0 < 6.1.4.6) • rubyonrails rails (>= 7.0.0 < 7.0.2.2) • debian debian linux 9.0 • debian debian linux 10.0 • debian debian linux 11.0 • fedoraproject fedora 35 • fedoraproject fedora 36 • fedoraproject fedora 37

Related

Weakness · CWE (2)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
  • CWE-404 Improper Resource Shutdown or Release weakness

References