CVE-2016-0751
actionpack/lib/action_dispatch/http/mime_type.rb in Action Pack 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 properly restrict use of the MIME type cache, which allows…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (9.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
actionpack/lib/action_dispatch/http/mime_type.rb in Action Pack 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 properly restrict use of the MIME type cache, which allows remote attackers to cause a denial of service (memory consumption) via a crafted HTTP Accept header.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 9.73% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- rubyonrails/rails · rubyonrails/ruby on rails
- Source
- secalert@redhat.com
References
- 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/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/2016/01/25/9
- http://www.securityfocus.com/bid/81800
- http://www.securitytracker.com/id/1034816
- https://groups.google.com/forum/message/raw?msg=ruby-security-ann/9oLY_FCzvoc/5CDXbvpYEgAJ
- 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/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/2016/01/25/9
- http://www.securityfocus.com/bid/81800
- http://www.securitytracker.com/id/1034816
- https://groups.google.com/forum/message/raw?msg=ruby-security-ann/9oLY_FCzvoc/5CDXbvpYEgAJ
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.