CVE-2016-0751
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
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.
Predictions
Exploit likelihood
83%
Patch ETA
—
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 | >=4.2.0,<4.2.5.1 | 4.2.5.1 |
| RubyGems | actionpack | <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 | 4.1.8 | |
| rubyonrails | rails | 4.1.9 | |
| rubyonrails | rails | 4.1.10 | |
| rubyonrails | rails | 4.1.12 | |
| rubyonrails | rails | 4.1.13 | |
| 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/9oLY_FCzvoc
- https://www.suse.com/security/cve/CVE-2016-0751.html
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2016-0751
- https://github.com/rails/rails/commit/127967b735813cd4f263df7a50426d74e7e9cc17
- https://github.com/rails/rails/commit/221937c8ba1d291430ceddebbd4bdef7d3cb47d6
- https://github.com/rails/rails/commit/37047b779a177b911c7161052cfc34a30e1db0af
- https://github.com/rails/rails
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2016-0751.yml
- https://web.archive.org/web/20160128201702/http://www.securitytracker.com/id/1034816
- https://web.archive.org/web/20200227181647/http://www.securityfocus.com/bid/81800
- https://security-tracker.debian.org/tracker/CVE-2016-0751
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.