Vulnerability Monitor

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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.

Published

2016-03-24T01:59:03.370

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.4 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	mac_os_x	≤ 10.11.3	Yes
Application	ruby-lang	ruby	≤ 2.0.0-p647	Yes
Application	ruby-lang	ruby	2.1.0	Yes
Application	ruby-lang	ruby	2.1.1	Yes
Application	ruby-lang	ruby	2.1.2	Yes
Application	ruby-lang	ruby	2.1.3	Yes
Application	ruby-lang	ruby	2.1.4	Yes
Application	ruby-lang	ruby	2.1.5	Yes
Application	ruby-lang	ruby	2.1.6	Yes
Application	ruby-lang	ruby	2.1.7	Yes
Application	ruby-lang	ruby	2.2.0	Yes
Application	ruby-lang	ruby	2.2.1	Yes
Application	ruby-lang	ruby	2.2.2	Yes
Application	ruby-lang	ruby	2.2.3	Yes

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=796344 ([email protected])
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=796551 ([email protected])
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html ([email protected])
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html ([email protected])
http://www.securityfocus.com/bid/76060 ([email protected])
https://access.redhat.com/errata/RHSA-2018:0583 ([email protected])
https://github.com/ruby/ruby/commit/339e11a7f178312d937b7c95dd3115ce7236597a ([email protected])
https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-7551.html ([email protected])
https://puppet.com/security/cve/ruby-dec-2015-security-fixes ([email protected])
https://support.apple.com/HT206167 Vendor Advisory ([email protected])
https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/ Patch, Vendor Advisory ([email protected])
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=796344 (af854a3a-2127-422b-91ae-364da2661108)
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=796551 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/76060 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0583 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ruby/ruby/commit/339e11a7f178312d937b7c95dd3115ce7236597a (af854a3a-2127-422b-91ae-364da2661108)
https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-7551.html (af854a3a-2127-422b-91ae-364da2661108)
https://puppet.com/security/cve/ruby-dec-2015-security-fixes (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT206167 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/ Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)