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

Debian LTS: DLA-1480-1: ruby2.1 security update

August 27, 2018
Several vulnerabilities were discovered in Ruby 2.1

Summary

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


Severity 
Package        : ruby2.1
Version : 2.1.5-2+deb8u5
CVE ID : CVE-2016-2337 CVE-2018-1000073 CVE-2018-1000074
Debian Bug : 895778 851161

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