Package : ruby2.1 Version : 2.1.5-2+deb8u5 CVE ID : CVE-2016-2337 CVE-2018-1000073 CVE-2018-1000074 Debian Bug : 895778 851161 Several vulnerabilities were discovered in Ruby 2.1. CVE-2016-2337 Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution. CVE-2018-1000073 RubyGems contains a Directory Traversal vulnerability in install_location function of package.rb that can result in path traversal when writing to a symlinked basedir outside of the root. CVE-2018-1000074 RubyGems contains a Deserialization of Untrusted Data vulnerability in owner command that can result in code execution. This attack appear to be exploitable via victim must run the `gem owner` command on a gem with a specially crafted YAML file. For Debian 8 "Jessie", these problems have been fixed in version 2.1.5-2+deb8u5. We recommend that you upgrade your ruby2.1 packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS
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