Home/CVE/actionpack/lib/action_dispatch/routing/route_set.rb in Action Pack in Ruby on Rails 4.x before 4.2.5.1 and 5.x before 5.
CVE

CVE-2015-7581

actionpack/lib/action_dispatch/routing/route_set.rb in Action Pack in Ruby on Rails 4.x before 4.2.5.1 and 5.x before 5.

actionpack/lib/action_dispatch/routing/route_set.rb in Action Pack in Ruby on Rails 4.x before 4.2.5.1 and 5.x before 5.0.0.beta1.1 allows remote attackers to cause a denial of service (superfluous caching and memory consumption) by leveraging an application's use of a wildcard controller route.

HIGH · CVSS 7.5 EPSS 0.08542
Schedule remediation
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
▤

Affected Products & Versions

1
rubyonrails railsall versions
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems actionpack HIGH fixed in 4.2.5.1
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumRuby on Rails Framework Exceptions
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Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Feb 2016 · 02:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

5
suse-csafSUSE-SU-2016:1146-1
suse-csafSUSE-SU-2016:0858-1
rhsaRHSA-2016:0454Important
suse-csafSUSE-SU-2016:0457-1
rhsaRHSA-2016:0296Low
🔗

References & Sources

10
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.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
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