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CVE-2022-23634
DEB
High

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 b…

CVSS
8.0
High
EPSS
0.02
p79
Published
2022-01-01
Updated
2022-01-01
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.

Tags · CWE
Pre-authInformation disclosure
CWE-200
CWE-359
CAPEC-13
CAPEC-22
CAPEC-59
CAPEC-60
CAPEC-79
CAPEC-116
CAPEC-169
CAPEC-224
CAPEC-285
CAPEC-287
CAPEC-290
CAPEC-291
CAPEC-292
CAPEC-293
CAPEC-294
CAPEC-295
CAPEC-296
CAPEC-297
CAPEC-298
CAPEC-299
CAPEC-300
CAPEC-301
CAPEC-302
CAPEC-303
CAPEC-304
CAPEC-305
CAPEC-306
CAPEC-307
CAPEC-308
CAPEC-309
CAPEC-310
CAPEC-312
CAPEC-313
CAPEC-317
CAPEC-318
CAPEC-319
CAPEC-320
CAPEC-321
CAPEC-322
CAPEC-323
CAPEC-324
CAPEC-325
CAPEC-326
CAPEC-327
CAPEC-328
CAPEC-329
CAPEC-330
CAPEC-464
CAPEC-467
CAPEC-472
CAPEC-497
CAPEC-498
CAPEC-508
CAPEC-573
CAPEC-574
CAPEC-575
CAPEC-576
CAPEC-577
CAPEC-616
CAPEC-643
CAPEC-646
CAPEC-651
Affected products
Debian_linux
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Timeline
2022-01-01
Published
2022-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: H
High (H)
Privileges Required
PR: N
None (N)
User Interaction
UI: R
Required (R)
Scope
S: C
Changed (C)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: N
None (N)
Exploit indicators
EPSS
0.021 · p79
Known exploited (KEV)
No
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-574 · CWE-200
└ via CAPEC-292 · CWE-200
└ via CAPEC-577 · CWE-200
└ via CAPEC-300 · CWE-200
└ via CAPEC-309 · CWE-200
└ via CAPEC-573 · CWE-200
└ via CAPEC-576 · CWE-200
└ via CAPEC-312 · CWE-200
└ via CAPEC-497 · CWE-200
└ via CAPEC-575 · CWE-200
└ via CAPEC-646 · CWE-200
└ via CAPEC-295 · CWE-200
└ via CAPEC-60 · CWE-200
└ via CAPEC-643 · CWE-200
└ via CAPEC-169 · CWE-200
└ via CAPEC-60 · CWE-200
└ via CAPEC-13 · CWE-200
└ via CAPEC-309 · CWE-200
└ via CAPEC-169 · CWE-200
└ via CAPEC-169 · CWE-200
└ via CAPEC-464 · CWE-359
└ via CAPEC-576 · CWE-200
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
pumaTracked
rubygem-pumaTracked
tfm-rubygem-pumaTracked
debian_linux*Tracked
fedora*Tracked
puma*Tracked
rails*Tracked
Source databases
DEB
CVE
RED
UBU
Related vulnerabilities