==========================================================================
Ubuntu Security Notice USN-4175-1
November 05, 2019
ruby-nokogiri vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.10
– Ubuntu 19.04
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
Nokogiri could be made to execute programs if it received
specially crafted input.
Software Description:
– ruby-nokogiri: HTML, XML, SAX, and Reader parser for Ruby
Details:
It was discovered that Nokogiri incorrectly handled inputs. A remote attacker
could possibly use this issue to execute arbitrary OS commands.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.10:
ruby-nokogiri 1.10.3+dfsg1-2ubuntu0.1
Ubuntu 19.04:
ruby-nokogiri 1.10.0+dfsg1-2ubuntu0.1
Ubuntu 18.04 LTS:
ruby-nokogiri 1.8.2-1ubuntu0.1
Ubuntu 16.04 LTS:
ruby-nokogiri 1.6.7.2-3ubuntu0.1
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4175-1
CVE-2019-5477
Package Information:
https://launchpad.net/ubuntu/+source/ruby-nokogiri/1.10.3+dfsg1-2ubuntu0.1
https://launchpad.net/ubuntu/+source/ruby-nokogiri/1.10.0+dfsg1-2ubuntu0.1
https://launchpad.net/ubuntu/+source/ruby-nokogiri/1.8.2-1ubuntu0.1
https://launchpad.net/ubuntu/+source/ruby-nokogiri/1.6.7.2-3ubuntu0.1
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