Debian Security Advisory

DLA-1222-1 ruby1.8 -- LTS security update

Date Reported:
25 Dec 2017
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2017-17405, CVE-2017-17790.
More information:

Several vulnerabilities have been discovered in the interpreter for the Ruby language. The Common Vulnerabilities and Exposures project identifies the following problems:

  • CVE-2017-17405

    A command injection vulnerability in Net::FTP might allow a malicious FTP server the execution of arbitrary commands.

  • CVE-2017-17790

    A command injection vulnerability in lib/resolv.rb's lazy_initialze might allow a command injection attack. However untrusted input to this function is rather unlikely.

For Debian 7 Wheezy, these problems have been fixed in version

We recommend that you upgrade your ruby1.8 packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: