CVE-2016-0751

Home/CVE/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

CVE

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

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.

HIGH · CVSS 7.5 EPSS 0.08895

Schedule remediation

EPSS percentile: top 7% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules1 YARA rules0

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Affected Products & Versions

rubyonrails railsall versions

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Affected Packages

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

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Sigma Hunt Rules

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

suse-csafSUSE-SU-2017:0475-1
suse-csafSUSE-SU-2016:1146-1
suse-csafSUSE-SU-2016:0858-1
suse-csafSUSE-SU-2016:0618-1
rhsaRHSA-2016:0454Important
Show all 8 vendor advisoriesrhsaRHSA-2016:0455Important
suse-csafSUSE-SU-2016:0457-1
rhsaRHSA-2016:0296Low

🔗

References & Sources

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/msg00034.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html

http://rhn.redhat.com/errata/RHSA-2016-0296.html

Show all 11 references

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

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