CVE-2025-27221

In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication credentials because userinfo is retained even after changing the host.

CVSS v3 3.2 LOW

3.2^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.4 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml	Third Party Advisory
https://hackerone.com/reports/2957667	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ruby-lang:uri::::::ruby::*
	cpe:2.3:a:ruby-lang:uri::::::ruby::*
	cpe:2.3:a:ruby-lang:uri::::::ruby::*
	cpe:2.3:a:ruby-lang:uri::::::ruby::*

History

01 Aug 2025, 02:06

Type	Values Removed	Values Added
CPE		cpe:2.3:a:ruby-lang:uri::::::ruby::*
First Time		Ruby-lang Ruby-lang uri
References	~~() https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml -~~	() https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml - Third Party Advisory
References	~~() https://hackerone.com/reports/2957667 -~~	() https://hackerone.com/reports/2957667 - Permissions Required
Summary		(es) En la gema URI anterior a 1.0.3 para Ruby, los métodos de gestión de URI (URI.join, URI#merge, URI#+) tienen una fuga involuntaria de credenciales de autenticación porque la información del usuario se conserva incluso después de cambiar el host.

04 Mar 2025, 00:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-03-04 00:15

Updated : 2025-08-01 02:06

NVD link : CVE-2025-27221

Mitre link : CVE-2025-27221

CVE.ORG link : CVE-2025-27221

JSON object : View

Products Affected

ruby-lang

uri

CWE

CWE-212

Improper Removal of Sensitive Information Before Storage or Transfer

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