Vulnerability Report

CVE-2015-7551

Title: Ruby-Lang Ruby RCE

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2015-7551.

CWE Category CWE-20
Published Date Mar 24, 2016
Modified Date May 06, 2026
Exploit Status Not Found
Score 8.4 CVSS v3.0
Exploit Probability (EPSS)
0.23%

Vulnerability Summary

CVE-2015-7551: 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.

Impacted Vendors

Y
yukihiro_matsumoto 1
R
ruby-lang 1

Reference Links

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://access.redhat.com/errata/RHSA-2018:0583 https://github.com/ruby/ruby/commit/339e11a7f178312d937b7c95dd3115ce7236597a 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/HT206167 https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/ 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://access.redhat.com/errata/RHSA-2018:0583 https://github.com/ruby/ruby/commit/339e11a7f178312d937b7c95dd3115ce7236597a 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/HT206167 https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/
CVSS v3.0
Source Entity [email protected]
Severity HIGH
8.4
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.6
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-7551 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.