Input validation error in Ruby - CVE-2015-7551
Published: March 24, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32356
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2015-7551
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Ruby
Affected software:
Ruby
Ruby
Detailed vulnerability description
The vulnerability allows context-dependent attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library.
How to mitigate CVE-2015-7551
The vendor has issued the following versions to address this vulnerability: 2.1.8, 2.2.4.
Sources
- 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/