CVE-2015-7576
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2:4.2.5.1-1 |
| sid | Fixed | 2:4.2.5.1-1 |
| forky | Fixed | 2:4.2.5.1-1 |
| bullseye | Fixed | 2:4.2.5.1-1 |
| bookworm | Fixed | 2:4.2.5.1-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | actionpack | <>= 5.0.0.beta1.1 | >= 5.0.0.beta1.1 |
| RubyGems | actionpack | >=3.1.0,<3.2.22.1 | 3.2.22.1 |
| RubyGems | actionpack | >=4.0.0,<4.1.14.1 | 4.1.14.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| rubyonrails | rails | 4.0.0 | |
| rubyonrails | rails | 4.0.1 | |
| rubyonrails | rails | 4.0.2 | |
| rubyonrails | rails | 4.0.3 | |
| rubyonrails | rails | 4.0.4 | |
| rubyonrails | rails | 4.0.5 | |
| rubyonrails | rails | 4.0.6 | |
| rubyonrails | rails | 4.0.7 | |
| rubyonrails | rails | 4.0.8 | |
| rubyonrails | rails | 4.0.9 | |
| rubyonrails | rails | 4.0.10 | |
| rubyonrails | rails | 4.1.0 | |
| rubyonrails | rails | 4.1.1 | |
| rubyonrails | rails | 4.1.2 | |
| rubyonrails | rails | 4.1.3 | |
| rubyonrails | rails | 4.1.4 | |
| rubyonrails | rails | 4.1.5 | |
| rubyonrails | rails | 4.1.6 | |
| rubyonrails | rails | 4.1.7 | |
| rubyonrails | rails | 4.1.7.1 | |
| rubyonrails | rails | 4.1.8 | |
| rubyonrails | rails | 4.1.9 | |
| rubyonrails | rails | 4.1.10 | |
| rubyonrails | rails | 4.1.12 | |
| rubyonrails | rails | 4.1.13 | |
| rubyonrails | rails | 4.1.14 | |
| rubyonrails | rails | 4.2.0 | |
| rubyonrails | rails | 4.2.1 | |
| rubyonrails | rails | 4.2.2 | |
| rubyonrails | rails | 4.2.3 | |
| rubyonrails | rails | 4.2.4 | |
| rubyonrails | rails | 4.2.5 | |
| rubyonrails | rails | 5.0.0 | |
| rubyonrails | ruby_on_rails | {"endIncluding":"3.2.22"} | |
| rubyonrails | ruby_on_rails | 4.0.10 | |
| rubyonrails | ruby_on_rails | 4.0.11 | |
| rubyonrails | ruby_on_rails | 4.0.11.1 | |
| rubyonrails | ruby_on_rails | 4.0.12 | |
| rubyonrails | ruby_on_rails | 4.0.13 | |
| rubyonrails | ruby_on_rails | 4.1.11 | |
References
- https://groups.google.com/forum/#!topic/rubyonrails-security/ANv0HDHEC3k
- https://www.suse.com/security/cve/CVE-2015-7576.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178047.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178068.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html
- http://rhn.redhat.com/errata/RHSA-2016-0296.html
- http://www.debian.org/security/2016/dsa-3464
- http://www.openwall.com/lists/oss-security/2016/01/25/8
- http://www.securityfocus.com/bid/81803
- http://www.securitytracker.com/id/1034816
- https://groups.google.com/forum/message/raw?msg=ruby-security-ann/ANv0HDHEC3k/T8Hgq-hYEgAJ
- https://nvd.nist.gov/vuln/detail/CVE-2015-7576
- https://github.com/rails/rails/commit/17e6f1507b7f2c2a883c180f4f9548445d6dfbd
- https://github.com/rails/rails
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2015-7576.yml
- https://web.archive.org/web/20160405205300/http://www.securitytracker.com/id/1034816
- https://web.archive.org/web/20200228001849/http://www.securityfocus.com/bid/81803
- https://security-tracker.debian.org/tracker/CVE-2015-7576
CWEs
CWE-254
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.