critical
9.3
CWE
78 77 20
Advisory Published
Updated

CVE-2017-17405: OS Command Injection

First published: Thu Dec 14 2017(Updated: )

It was discovered that the Net::FTP module did not properly process filenames in combination with certain operations. A remote attacker could exploit this flaw to execute arbitrary commands by setting up a malicious FTP server and tricking a user or Ruby application into downloading files with specially crafted names using the Net::FTP module.

Credit: CVE-2017-0898 CVE-2017-10784 CVE-2017-14033 CVE-2017-14064 CVE-2017-17405 CVE-2017-17742 CVE-2018-6914 CVE-2018-8777 CVE-2018-8778 CVE-2018-8779 CVE-2018-8780 CVE-2017-0898 CVE-2017-10784 CVE-2017-14033 CVE-2017-14064 CVE-2017-17405 CVE-2017-17742 CVE-2018-6914 CVE-2018-8777 CVE-2018-8778 CVE-2018-8779 CVE-2018-8780 cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/ruby<0:2.0.0.648-33.el7_4
0:2.0.0.648-33.el7_4
redhat/ruby<0:2.0.0.648-30.el7_3
0:2.0.0.648-30.el7_3
redhat/rh-ruby22-ruby<0:2.2.9-19.el6
0:2.2.9-19.el6
redhat/rh-ruby24-ruby<0:2.4.3-90.el6
0:2.4.3-90.el6
redhat/rh-ruby23-ruby<0:2.3.6-67.el6
0:2.3.6-67.el6
redhat/rh-ruby22-ruby<0:2.2.9-19.el7
0:2.2.9-19.el7
redhat/rh-ruby24-ruby<0:2.4.3-90.el7
0:2.4.3-90.el7
redhat/rh-ruby23-ruby<0:2.3.6-67.el7
0:2.3.6-67.el7
redhat/ruby<2.2.9
2.2.9
redhat/ruby<2.3.6
2.3.6
redhat/ruby<2.4.3
2.4.3
redhat/ruby<2.5.0
2.5.0
Ruby-lang Ruby>=2.2<=2.2.8
Ruby-lang Ruby>=2.3<=2.3.5
Ruby-lang Ruby>=2.4<=2.4.2
Ruby-lang Ruby=2.5.0-preview1
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=7.4
Redhat Enterprise Linux Server Aus=7.6
Redhat Enterprise Linux Server Eus=7.4
Redhat Enterprise Linux Server Eus=7.5
Redhat Enterprise Linux Server Eus=7.6
Redhat Enterprise Linux Server Tus=7.4
Redhat Enterprise Linux Server Tus=7.6
Redhat Enterprise Linux Workstation=7.0
Apple macOS Mojave<10.14.1
10.14.1
Apple High Sierra
Apple Sierra
debian/ruby2.5
2.5.5-3+deb10u4
2.5.5-3+deb10u6

Remedy

https://www.ruby-lang.org/en/news/2017/12/14/ruby-2-4-3-released/

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2017-17405?

    CVE-2017-17405 is a vulnerability in Ruby that allows Net::FTP command injection.

  • What is the severity of CVE-2017-17405?

    CVE-2017-17405 has a severity rating of 8.8 (critical).

  • How can I fix CVE-2017-17405?

    To fix CVE-2017-17405, you should update to Ruby version 2.5.5-3+deb10u4 or 2.5.5-3+deb10u6 for Debian, and version 2.4.3 for Red Hat. Make sure to check the vendor's official website for the latest updates.

  • Where can I find more information about CVE-2017-17405?

    You can find more information about CVE-2017-17405 on the official Ruby website and the associated GitHub commits. Links: [Ruby website](https://www.ruby-lang.org/en/news/2017/12/14/net-ftp-command-injection-cve-2017-17405/), [GitHub commit 1](https://github.com/ruby/ruby/commit/6d3f72e5be2312be312f2acbf3465b05293c1431), [GitHub commit 2](https://github.com/ruby/ruby/commit/1cfe43fd85c66a9e2b5068480b3e043c31e6b8ca)

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