Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | <= 10.11.3 |
| Ruby-Lang | Ruby | <= 2.0.0-p647 |
Related Weaknesses (CWE)
References
- 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/HT206167Vendor Advisory
- https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddPatchVendor Advisory
- 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
FAQ
What is CVE-2015-7551?
CVE-2015-7551 is a vulnerability with a CVSS score of 8.4 (HIGH). 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 t...
How severe is CVE-2015-7551?
CVE-2015-7551 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7551?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Mac Os X, Ruby-Lang Ruby.