CVE-2015-7576
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v3.0•LOW•Score: 3.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 1.12%• Percentile: 79%
Techniques & Countermeasures
- CWE-254•7PK - Security Features
Software security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.
Affected Systems
- rubyonrails•rails
4.0.0 | 4.0.0:beta | 4.0.0:rc1 | 4.0.0:rc2 | 4.0.1 | 4.0.1:rc1 | 4.0.1:rc2 | 4.0.1:rc3 | 4.0.1:rc4 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.4:rc1 | 4.0.5 | 4.0.6 | 4.0.6:rc1 | 4.0.6:rc2 | 4.0.6:rc3 | 4.0.7 | 4.0.8 | 4.0.9 | 4.0.10 | 4.0.10:rc1 | 4.1.0 | 4.1.0:beta1 | 4.1.0:beta2 | 4.1.0:rc1 | 4.1.0:rc2 | 4.1.1 | 4.1.2 | 4.1.2:rc1 | 4.1.2:rc2 | 4.1.2:rc3 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6 | 4.1.6:rc1 | 4.1.6:rc2 | 4.1.7 | 4.1.7.1 | 4.1.8 | 4.1.9 | 4.1.9:rc1 | 4.1.10 | 4.1.10:rc1 | 4.1.10:rc2 | 4.1.10:rc3 | 4.1.10:rc4 | 4.1.12 | 4.1.12:rc1 | 4.1.13 | 4.1.13:rc1 | 4.1.14 | 4.1.14:rc1 | 4.1.14:rc2 | 4.2.0 | 4.2.0:beta1 | 4.2.0:beta2 | 4.2.0:beta3 | 4.2.0:beta4 | 4.2.0:rc1 | 4.2.0:rc2 | 4.2.0:rc3 | 4.2.1 | 4.2.1:rc1 | 4.2.1:rc2 | 4.2.1:rc3 | 4.2.1:rc4 | 4.2.2 | 4.2.3 | 4.2.3:rc1 | 4.2.4 | 4.2.4:rc1 | 4.2.5 | 4.2.5:rc1 | 4.2.5:rc2 | 5.0.0:beta1
- rubyonrails•ruby_on_rails
≤ 3.2.22 | 4.0.10:rc2 | 4.0.11 | 4.0.11.1 | 4.0.12 | 4.0.13 | 4.0.13:rc1 | 4.1.11
References (13)
- http://www.openwall.com/lists/oss-security/2016/01/25/8
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178068.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
- http://www.securityfocus.com/bid/81803
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
- http://www.securitytracker.com/id/1034816
- http://www.debian.org/security/2016/dsa-3464
- http://rhn.redhat.com/errata/RHSA-2016-0296.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178047.html
- https://groups.google.com/forum/message/raw?msg=ruby-security-ann/ANv0HDHEC3k/T8Hgq-hYEgAJ