SB2016032404 - Input validation error in Ruby
Published: March 24, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016032404
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2015-7551)
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.
Remediation
Install update from vendor's website.
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/HT206167
- https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/