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CVE-2017-17790

Status Candidate

Overview

The lazy_initialize function in lib/resolv.rb in Ruby through 2.4.3 uses Kernel#open, which might allow Command Injection attacks, as demonstrated by a Resolv::Hosts::new argument beginning with a '|' character, a different vulnerability than CVE-2017-17405. NOTE: situations with untrusted input may be highly unlikely.

Related Files

Red Hat Security Advisory 2018-0585-01
Posted Mar 27, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0585-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: rh-ruby23-ruby, rh-ruby23-rubygems, rh-ruby23-rubygem-json, rh-ruby23-rubygem-minitest, rh-ruby23-rubygem-psych. Issues addressed include a code execution vulnerability.

tags | advisory, code execution, ruby
systems | linux, redhat
advisories | CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17405, CVE-2017-17790
MD5 | f0e2fe1165cabe24a29facc339a343b4
Red Hat Security Advisory 2018-0584-01
Posted Mar 27, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0584-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: rh-ruby24-ruby. Issues addressed include a code execution vulnerability.

tags | advisory, code execution, ruby
systems | linux, redhat
advisories | CVE-2017-17405, CVE-2017-17790
MD5 | 21450526fb1cba04008746315895fd07
Red Hat Security Advisory 2018-0583-01
Posted Mar 27, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0583-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: rh-ruby22-ruby, rh-ruby22-rubygems, rh-ruby22-rubygem-psych, rh-ruby22-rubygem-json. Issues addressed include a code execution vulnerability.

tags | advisory, code execution, ruby
systems | linux, redhat
advisories | CVE-2009-5147, CVE-2015-7551, CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17405, CVE-2017-17790
MD5 | abe8a58e8df4aee6784a9741e9ce7710
Red Hat Security Advisory 2018-0378-01
Posted Feb 28, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0378-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fix: 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.

tags | advisory, remote, arbitrary, ruby
systems | linux, redhat
advisories | CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17405, CVE-2017-17790
MD5 | 91a96a35a620b9a34ddbe39a2533462c
Ubuntu Security Notice USN-3528-1
Posted Jan 11, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3528-1 - It was discovered that Ruby incorrectly handled certain terminal emulator escape sequences. An attacker could use this to execute arbitrary code via a crafted user name. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. It was discovered that Ruby incorrectly handled certain strings. An attacker could use this to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, ruby
systems | linux, ubuntu
advisories | CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17790
MD5 | dc434c8e6d1bb07724a5d915b4e77117
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