Ubuntu Security Notice 3685-2 - USN-3685-1 fixed a vulnerability in Ruby. The fix for CVE-2017-0903 introduced a regression in Ruby. This update fixes the problem.
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Ubuntu Security Notice 3685-1 - Some of these CVEs were already addressed in previous USN: 3439-1, 3553-1, 3528-1. It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a buffer overrun. It was discovered that Ruby incorrectly handled certain files. An attacker could use this to overwrite any file on the filesystem. Various other issues were also addressed.
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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.
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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.
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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.
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Ubuntu Security Notice 3553-1 - It was discovered that Ruby failed to validate specification names. An attacker could possibly use a maliciously crafted gem to potentially overwrite any file on the filesystem. It was discovered that Ruby was vulnerable to a DNS hijacking vulnerability. An attacker could use this to possibly force the RubyGems client to download and install gems from a server that the attacker controls. Various other issues were also addressed.
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Red Hat Security Advisory 2017-3485-01 - 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. Security Fix: A buffer underflow was found in ruby's sprintf function. An attacker, with ability to control its format string parameter, could send a specially crafted string that would disclose heap memory or crash the interpreter.
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Debian Linux Security Advisory 4031-1 - Several vulnerabilities have been discovered in the interpreter for the Ruby language.
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