CVE-2015-7551

Home/CVE/The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2

CVE

The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2

The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2.4, as distributed in Apple OS X before 10.11.4 and other products, mishandles tainting, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library. NOTE: this vulnerability exists because of a CVE-2009-5147 regression.

HIGH · CVSS 8.4 EPSS 0.00234

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules3 YARA rules0

⬡

Weakness Classification

CWE-20Improper Input Validation

▤

Affected Products & Versions

apple mac os x<= 10.11.3
ruby-lang ruby<= 2.0.0-p647
ruby-lang rubyall versions

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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

productmediumPotential Ruby Reverse Shell

productmediumRuby Inline Command Execution

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Scoring & Timeline

8.4

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 NVD24 Mar 2016 · 01:59 AM

CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

⚑

Vendor Advisories

rhsaRHSA-2026:7307Moderate
rhsaRHSA-2026:8838Moderate
rhsaRHSA-2026:7305Moderate
suse-csafopenSUSE-SU-2024:10481-1
rhsaRHSA-2018:0583Low
Show all 8 vendor advisoriesusnUSN-3365-1
suse-csafSUSE-SU-2017:1067-1
suse-csafSUSE-SU-2017:0948-1

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=796344

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=796551

http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html

http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

http://www.securityfocus.com/bid/76060

https://github.com/ruby/ruby/commit/339e11a7f178312d937b7c95dd3115ce7236597a

Show all 10 references

https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-7551.html

https://puppet.com/security/cve/ruby-dec-2015-security-fixes

https://support.apple.com/HT206167Vendor Advisory

https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/PatchVendor Advisory

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