Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-7576

Severity CVSS v4.0:
Pending analysis
Type:
CWE-254 Security Features
Publication date:
16/02/2016
Last modified:
12/04/2025

Description

The http_basic_authenticate_with method in actionpack/lib/action_controller/metal/http_authentication.rb in the Basic Authentication implementation in Action Controller in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not use a constant-time algorithm for verifying credentials, which makes it easier for remote attackers to bypass authentication by measuring timing differences.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 3.70 LOW
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
3.70
Severity 3.x
LOW
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:rubyonrails:rails:4.0.0:-:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.0:beta:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.1:-:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.1:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.1:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.1:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.1:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.4:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.6:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools